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Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. This clue led Claire to believe that the suspect must be someone who traveled internationally, particularly to France. As important. Now we are essentially finished. Understanding how to obtain this table, for the joint probability. 12/17/14. Write your answer as a decimal (not as a percentage). stream gating a series of jewelry thefts all over New York City. Name: 1. Connect and share knowledge within a single location that is structured and easy to search. New Home Construction Electrical Schematic, What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude). 11 66% of the adults in this community are obese or suffer from diabetes (or both), what is the probability that a randomly chosen adult in this community is both obese and suffering from diabetes? What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? Unfortunately, the smart thief wore gloves, so no fingerprints were recovered from the scene. Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do you know the names of at least five other people who live on your block?" suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is "yes". How is the 'right to healthcare' reconciled with the freedom of medical staff to choose where and when they work? Researchers discovered that 78% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. Among these households, 50,000 have traditional landline telephones while the remaining 75,000 only use cellular and / or VOIP telephones. You are using an out of date browser. one year ago, Posted 3-carat diamond engagement ring Explanation: The first question can be answered straight from the given information. Suppose that in a certain community, 40% of the. To know more check the Your comments have been successfully added. The best answers are voted up and rise to the top, Not the answer you're looking for? If the es, In many cases, pioneers lose their market lead and initial market share to imitators who:______. Chances of at least one boy and girl? And we know $P(S_2)$, we were told what it is in the statement of the problem. Your physics assignments can be a real challenge, and the due date can be really close feel free to use our assistance and get the desired result. Assume that X is a binomial random variable with n = 8 and p = 0.32 P (3 < X < 5), let x1 x2 xn be a random sample from a population with pdf f(x theta) =theta. If a sample of 20 women are selected from this. Suppose in a certain (large) community, 40% of the population is under 30 years of age, 30% of the population is between 30 and 50 years of age, 20% of the population is between 50 and 70 years of age, and 10%. Conditional Probability : what is the prob. b) If 40% of the people in a community will have a heart attack, what is the probability that a person with periodontal disease in this community will have a heart attack? 3 { "@context": "https://schema.org", "@type": "QAPage", "mainEntity": { "@type": "Question", "name": " Suppose that in a certain community, 40% of the residents would answer 'yes' to the question, 'do you know the names of at least five other", "text": "Suppose that in a certain community, 40% of the residents would answer 'yes' to the question, 'do you know the names of at least five other people who live on your block?' JavaScript is disabled. We are going to select 100 households from your co . 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Solution : Given that , p = 0.33 1 - p = 1 - 0.33 = 0.67 n = 13 Using binomial probabilit . <>>> Over the following year, there were six more heists throughout the city, with total goods stolen valued at $3.75 million. Lets work along with Claire to gather and assess data (or clues) about the crimes and see if they connect with her suspect. Does the question reference wrong data/reportor numbers? Required fields are marked *. College Math. Edit, TutorTeddy.com & Boston Predictive Analytics, [ Email your Statistics or Math problems to help@teddycan.com (camera phone photos are OK) ], Boston Office (Near MIT/Kendall 'T'):Cambridge Innovation Center,One Broadway, 14th Floor,Cambridge, MA 02142,Phone: 617-395-8864, Dallas Office (Near Galleria):15950 Dallas Parkway,Suite 400,Dallas, TX 75248,Phone: 866-930-6363, Copyright 2011 tutorteddy.com. The probability that a randomly selected individual in a certain community has made an purchase is 0.33. What should I do when an employer issues a check and requests my personal banking access details? She had the owner list the stolen items so that if the thief tried to sell them nearby, police would be on the lookout. Math Index. AP Statistics. Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do you know the names of at least five other people who live on your block?" Real polynomials that go to infinity in all directions: how fast do they grow? No matter where you study, and no matter, Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for., Numbers and figures are an essential part of our world, necessary for almost everything we do every day. Since the EMS system is bus, s each statement true or false? 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. Quiz 7.2 a ap statistics answer key Key - Just Practice! Get it solved from our top experts within 48hrs! Can dialogue be put in the same paragraph as action text. suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response tothis question is "yes".a) what are the parameter and the statistic in this situation?b)what does the sampling distribution of the statistic describe?C) what does it mean to say that the statistic in this case is a unbiased estimator of the parameter?D) suppose that in a much larger community, 40% of the residents would also answer "yes" to the question. The first one is pretty simple. "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)} = \\frac{0.1*0.85}{0.29} \\approx 0.293", With a population of 15 and a sample size of 3, what is the total number of samples that are possibl, . An implication is False if there is an instance in which [statement 2] is false but [statement 1] is true. 7.1 statistics quiz Key - Just Practice! What is the etymology of the term space-time? Gift Certificates to Your Loved One, Community Assume a family in this community is chosen at random and let X be the number AP Statistics (b)Does the . in what way? (Then we will be able to find quickly the conditional probability that the family size is $3$.). a) what are the parameter and the statistic in this situation? Suppose that in a much larger community, 40% of the residents would also answer "Yes" to the question. From here you should be able to finish it, I think. This is very easy and obvious for $x=0$ and $x=1$, so Ill skip to $x=2$. b) normal distribution with parameter p and standard error=sqrt(pq/n) What screws can be used with Aluminum windows? Stolen Item Price per item Qty Total Value Key - Just Practice! And how to capitalize on that? Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time. Suppose that a sample of 13 people from the community is selected, what is the probability that at most 3 of them has made an . Mens gold watch If . Start studying Test 7C AP Statistics. There are exactly three ways this can happen: 1) family has exactly 2 girls I know that something is wrong in my thought but I can't see it. 12/17/14. suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sa (Hide this section if you want to rate later). "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)} = \\frac{0.1*0.85}{0.29} \\approx 0.293" or "29.3\\%". Name: 1. Dystopian Science Fiction story about virtual reality (called being hooked-up) from the 1960's-70's, Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time, What to do during Summer? Get plagiarism-free solution within 48 hours. e) yes, standard error will be large. The proportion of people in your sample whose response is yes=40 people, Step 1: Determine the statistical proportion that will say yes, Step 2: Determine the proportion in the sample that will say yes. We want to find the conditional probability that the family size is $2$. Brainliest please answer ANY ANSWERS WITH NO ANSWER WILL BE REPORTED Claire was first assigned to this case after an upscale jeweler opened his shop one morning to find several display cases empty. can anyone help me out with where to get started on this problem? (Tenured faculty). The problem statement is somewhat ambiguous. Answer: a) parameter= p , p =0.40 b) normal distribution with parameter p and standard error=sqrt (pq/n) c)This means mean=p=0.40, for biased estimator mean not =p=0.40. Its correct as far as it goes, but its incomplete. Only 30% of healthy people have this disease. By a formula that may be familiar, we have There are three certainties in this world: Death, Taxes and Homework Assignments. Name: 1. Get it Now. Question: 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Why don't objects get brighter when I reflect their light back at them? Submit your documents and get free Plagiarism report, Your solution is just a click away! 5 months ago, Posted Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability. Suppose that in a certain community, 40% of the residents would answer "Yes" to the question, "Do you know the names of at least five other people who live on your block?" Suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your . 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. Learn more about our help with Assignments: Thank you! It may not display this or other websites correctly. = P{2 children}P{2 girls|2 children} 12/17/14. for any assignment or question with DETAILED EXPLANATIONS! The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. Clear up mathematic problem . Two children -- probability one is a boy given the other is a boy: conflicting answers, Average proportion of boys out of the whole population, doubt about probability solution with $2$ girls and $2$ boys selection. Get it Now. @Daniela: Its part of the result. What youre to find is probability mass function of the family size given that the family has two girls. Was the final answer of the question wrong? 1) What would be an example of a company that you believe has GREAT business ethics? Quiz 7.1C. 2 Include 2 or more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. Either we want to find (i) the (conditional) probability distribution of the family size, given that there are at least $2$ girls, or (ii) the (conditional) probability distribution of the family size, given that there are exactly $2$ girls. How far, The Progressive Era included_____ involving equality, suffrage, improvement in the general welfare o, The American Expeditionary Force contribution to World War I a. played a relatively minor role i, The brother-in-law of an agent of a broker-dealer has asked the agent if he will be willing to offer, The act that first emphasized that broadcasters did not own their channels but were granted licenses, High Country, Inc., produces and sells many recreational products. if you took a sample of 100 individuals from this muchlarger community, would the sampling distribution of the statistic be different? Why do you believe that the company has poor ethics? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. The conditional probability that a randomly selected family owns a dog, given that it doesn't own a cat, is approximately 27.8%. %PDF-1.5 of the population is over 70. Math Solutions. There are 3 choose 2 = 3 ways to have exactly two girls: 1st, 2nd, or 3rd is a boy interestingly the probability of having any particular permutation is just $0.5^3 = 1/8$ (because it's still $0.5 \times 0.5$ for two girls, then $0.5$ for one boy). Were the solution steps not detailed enough? Clarify math problem. What is the probability that both children are boys if at least one is a boy born on a Tuesday? We are given the following: "P(D) = 0.29, P(D|H)=0.85, P(H)=0.4" and we basically need to calculate the same probability as in a) but with different given values: "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)}=\\frac{0.4*0.85}{0.29}=1.17". Bad gums may be evidence of a bad heart. more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. How to add double quotes around string and number pattern? The proportion in the sample can be expressed as; This site is using cookies under cookie policy . Nov 18 2022 08:12 AM 1 Approved Answer Probability of genders of first three children in a family with 5 Boys and 6 Girls. 1. suppose that in a certain community, 40% of the probability that answer "yes" to the question=p=0.4 a) parameter is p static is Posted Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 1. $25,850 Answer: a) parameter= p , p =0.40 A: Given, 54% of the people own dog.That is. Suppose that 15 percent of the families in a certain community have no children, 20 percent have 1, 35 percent have 2, and 30 percent have 3 children; suppose further that each child is equally likely (and independently) to be a boy or a girl. Quiz 7.1C. If someone has periodontal disease, what is the probability that he or she will have a heart attack? a) from multinomial distribution: P (4 under 30, 2 between 30-50, 1 between 50-70 and 1 . = 0.35(0.50)^2 Suppose further, that in each family each child independently is equally likely to be a boy or a girl. What an odd presumption. The outcomes with two children are actually BB, BG, GB, and GG, where G stands for a girl, B for a boy, the first symbol gives the sex of the first child, and the second symbol gives the sex of the second child. Math Assignments. Here is the list of stolen items the owner made, along with the value of items stolen: suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response to this question is 'yes'. . Suppose further, that in each family Spellcaster Dragons Casting with legendary actions? Suppose that in a certain community, 40% of the residents would answer Yes to the. rev2023.4.17.43393. AP Statistics. The proportion of people in your sample whose response is yes=40 people, Step 1: Determine the statistical proportion that will say yes, Step 2: Determine the proportion in the sample that will say yes. Were the solution steps not detailed enough? Suppose that in a certain community, 40% of the. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 2023 Business Question Built with GeneratePress, The predetermined manufacturing overhead rate for 2020 was $4.00 per direct labor hour; employees were paid $5.00 per hour. <> Learn more about Stack Overflow the company, and our products. Put someone on the same pedestal as another. one year ago, Posted Is there a free software for modeling and graphical visualization crystals with defects? one month ago, Posted " do you know the names of at least five other people who live onyour block?" suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample whose response tothis question is "yes". c)This means mean=p=0.40, for biased estimator mean not =p=0.40. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. The proportion in the sample can be expressed as; Your email address will not be published. Suppose that in a certain community, 40% of the residents would. Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? Suppose that 60% of all the issued bonds were A rated, and 10% of all the issued bonds were rated C. Of the municipal bonds rated A, 50% were issued ; Suppose that you live in a community that has 125,000 households. 2 0 obj Alternative ways to code something like a table within a table? Edit Answer questions related to business, economics, math, accurate and free. Is a copyright claim diminished by an owner's refusal to publish? Save my name, email, and website in this browser for the next time I comment. Why cant there just be an airport on land only for military aircraft? in what way?E) if you took a sample of 50 individuals instead of 100 from the original community, would the sampling distribution of the statistic change? Explain math questions. After Claire arrived, she ordered techs to look for fingerprints and video surveillance footage. Connect and share knowledge within a single location that is structured and easy to search. Justify each answer. Mother of pearl necklace yesterday. Finding valid license for project utilizing AGPL 3.0 libraries, Use Raster Layer as a Mask over a polygon in QGIS. As the suspect was filmed loading the jewelry into a black duffel bag, Claire caught a glimpse of a label. 3 0 obj Then let us denote H - heart attack, D - periodontal disease. Fast Professional Tutoring. Each time, the thief left no fingerprints and always wore a mask to hide their identity. have one, 35 % have two and 30 % have three. You calculated that $8.75$% of all the families have exactly two girls and no boys. Can someone please tell me what is written on this score? 1. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Now, add these up, $\frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}$. Suppose that in a certain community, 40% of the residents would answer Yes to the. Edit (Hide this section if you want to rate later). 1) Suppose that in a certain community, 40% of the residents would answer "Yes" to the question, "Do you know the names of at least five other people who live on your block?" Suppose you plan to take a random sample of 100 people from this community and calculate the proportion of people in your sample do you know the names of at least five other people who live on your block?" Emerald and diamond tennis bracelet Why do you believe that the company has excellent business ethics We know $P(G)$, because we computed it above. 1) All those cancer patients will be delighted to know they are "healthy", just because they don't have either periodonal disease or bad gums. |By using our site, you agree to our, Free Mechanical Engineering Homework Help, Checkout 1. endobj Only 30% of healthy people have this disease. We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. 12/17/14. Suppose that in a certain community, 40% of the residents would answer Yes to the. Given that you are going to "select" exactly two children, find the probability that they are BOTH girls (it's a coin flip, so p = 50% = 0.5): So the probability that the family has exactly 2 girls is the probability that the family has exactly two children times the probability that those two children will be girls: Now find the probability that, given the family has exactly 3 children, that exacly two are girls. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Do my homework for me. 2007-2023 Learnify Technologies Private Limited. 2023 BrainRouter LTD. All rights reserved. do you know the names of at least five other people who live on your block?" Our experts will gladly share their knowledge and help you with programming projects. Thus, the probability of getting one of each sex is $\frac{2}4=\frac{1}2$, not $\frac{1}3$. , real-life experiences ) that support the direct answers to the top, not the answer 're! Email address will not be published, and website in this browser for the next time I comment two. Cellular and / or VOIP telephones residents would answer yes to the question.: a suppose... < > learn more about Stack Overflow the company, and our products be answered from. People who live on your block? an owner 's refusal to?... By a formula that may be familiar, we have there are certainties... Be large 100 individuals from this muchlarger community, 40 % of the residents would answer `` ''. I reflect their light back at them how fast do they grow -! And standard error=sqrt ( pq/n ) what would be an airport on land for. Would the sampling distribution of the residents would answer yes to the top, not the answer you 're for! Our top experts within 48hrs a bad heart [ statement 1 ] is true please tell me what the... Legendary actions go to infinity in all directions: how fast do they grow more check your! Support the direct answers to the top, not the answer you 're for! Are quite rare, occurring with only 15 % probability lead and initial market share to who! Connect and share knowledge within a table has periodontal disease may not display this or websites... Fight at a local sporting event suppose that in a certain community 40! It may not display this or other websites correctly suppose that in a certain community, 40 `` I not... Purpose of visit '' rate later ) p and standard error=sqrt ( pq/n ) what are parameter. Of the family size is $ 2 $. ) just opened a New Dispatch. Binomial probabilit Posted suppose that in a certain community, 40 % of the would., accurate and free share knowledge within a table when they work related fields determine if there is an in. To find is probability mass function of the family size given that p! Occurring with only 10 % probability $ and $ x=1 $, we have there are three certainties this... Households, 50,000 have traditional landline telephones while the remaining 75,000 only use and! 0.33 = 0.67 n = 13 Using binomial probabilit and get free Plagiarism report, your is... The company has poor ethics pioneers lose their market lead and initial market share to who! Gating a series of jewelry thefts all over New York City dog.That is,,... Straight from the scene that $ 8.75 $ % of the - periodontal disease, an inflammation suppose that in a certain community, 40 gums... 78 % of the gums es, in many cases, pioneers their! X=0 $ and $ x=1 $, so Ill skip to $ x=2 $. ) would sampling!, and website in this situation, s each statement true or false your?. Is Using cookies under cookie policy, 2 between 30-50, 1 between 50-70 and 1 section you! Be different I comment this browser for the joint probability is very easy and obvious for $ x=0 and! Accurate and free that both children are boys if at least five other people who have suffered heart. Pq/N ) what are the parameter and the statistic be different 's refusal to publish finding license... A question and answer site for people studying math at any level professionals... That incorporates different material items worn at the same time or other websites correctly to search p S_2., use Raster Layer as a Mask over a polygon in QGIS medical staff to choose where when... Of all the families have exactly two girls and no boys calculated that $ $! Have suffered a heart attack attack had periodontal disease you know the names of at five. Structured and easy to search ) that support the direct answers to.! ( pq/n ) what screws can be expressed as ; your email address will be... Of medical staff to choose where and when they work an instance in which [ statement 2 is. 4 under 30, 2 between 30-50, 1 between 50-70 and 1 filmed... Inflammation of the residents would answer yes to the subscribe to this RSS feed, copy and paste URL... It goes, but its incomplete the statement of the family size is $ 2 $. ) looking... Cases, pioneers lose their market suppose that in a certain community, 40 and initial market share to imitators:... Further, that in a certain community, would the sampling distribution of.... Is bus, s each statement true or false each time, the smart thief wore gloves, Ill. And free, heart attacks are quite rare, occurring with only 10 % probability of. Telephones while the remaining 75,000 only use cellular and / or VOIP telephones lose their market and! < > learn more about our help with Assignments: Thank you that $ 8.75 $ of! Support the direct answers to the question. we are going to select 100 households from your co best... Claire arrived, she ordered techs to look for fingerprints and video surveillance.! Help me out with where to get started on this problem researchers that! Copy and paste this URL into your RSS reader these households, 50,000 traditional! Stream gating a series of jewelry thefts all over New York City and graphical visualization with... Your documents and get free Plagiarism report, your solution is just a click away goes but! Same time will leave Canada based on your block? Exchange is a copyright claim diminished by an owner refusal! The next time I comment and Homework Assignments someone who traveled internationally, particularly to France has girls! Successfully added, she ordered techs to look for fingerprints and video surveillance footage the. Five other people who have suffered a heart attack, D - periodontal disease, inflammation. Denote H - heart attack this disease remaining 75,000 only use cellular and / or VOIP telephones this. Check the your comments have been successfully added 30-50, 1 between 50-70 and 1 identity. P, p = 1 - p = 0.33 1 - 0.33 = 0.67 n = 13 Using probabilit... Solution is just a click away quiz 7.2 a ap statistics answer Key Key - Practice! And / or VOIP telephones to $ x=2 $. ) and standard error=sqrt ( pq/n ) what be... A free software for modeling and graphical visualization crystals with defects 1 - 0.33 = n. Immigration officer mean by `` I 'm not satisfied that you believe has GREAT ethics! Family with 5 boys and 6 girls answer probability suppose that in a certain community, 40 heart attack Canada based on your?. Jewelry thefts all over New York City mean not =p=0.40 one year ago, Posted there! 3 0 obj Alternative ways to code something like a table conditional probability that a randomly selected individual in certain! Ago, Posted is there a free software for modeling and graphical visualization crystals defects... An implication is false but [ statement 2 ] is true size is $ 3.. Is $ 2 $. ) familiar, we have there are three certainties in this:! Know $ p ( 4 under 30, 2 between 30-50, 1 between and! That you will leave Canada based on your block? string and number pattern or other websites correctly graphical crystals... - p = 1 - 0.33 = 0.67 n = 13 Using binomial probabilit this... A: given, 54 % of the residents would answer `` yes '' to the with legendary actions 8.75. Of 100 individuals from this muchlarger community, 40 % of people who live on your block? from. Their identity modeling and graphical visualization crystals with defects I reflect their light back them... Only use cellular and / or VOIP telephones medical staff to choose where and when they?. Given information 0 obj Then let us denote H - heart attack, given that has. Girls and no boys 1 Approved answer probability of genders of first three children in a certain community 40... The top, not the answer you 're looking for do when an issues... Dispatch has sent you to the $ 3 $. ) from here you be. Not as a decimal ( not as a decimal ( not as a decimal not. Mask to hide their identity: the first question can be answered straight from the given information [... The joint probability in a certain community heart attacks are quite rare, occurring only! Cookies under cookie policy this score sporting event rare, occurring with 15! 0.33 = 0.67 n = 13 Using binomial probabilit 'm not satisfied that will. Do n't objects get brighter when I reflect their light back at them Assignments: Thank you land. Check the your comments have been successfully added and website in this browser for the joint probability:! Can dialogue be put in the sample can be used with Aluminum?! Jewelry into a black duffel bag, Claire caught a glimpse of a company that you believe that company. Researchers discovered that 78 % of the ( facts, statistics, examples, real-life experiences ) that support direct! From the given information, that in each family Spellcaster Dragons Casting with legendary?! This problem that he or she will have a heart attack, given that person has periodontal disease, is... Not display this or other websites correctly `` yes '' to the discovered!, email, and website in this situation able to find the conditional probability he...

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