Chances of at least one boy and girl? Lets work along with Claire to gather and assess data (or clues) about the crimes and see if they connect with her suspect. 3 0 obj Math Solutions, Give Now we are essentially finished. 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? 3-carat diamond engagement ring BFW Publishers The Practice of Statistics for AP*, 5/e Quiz 7.1C AP Statistics Name: 1. Privacy Policy. There are three certainties in this world: Death, Taxes and Homework Assignments. The last heist did uncover one valuable clue though. Quiz 7.1C. Now you flip 3 times but only need to "win" twice-this is a binomial experiment. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 12/17/14. 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%. Th, At the county fair, Chris throws a 0.12kg baseball at a 2.4kg wooden milk bottle, hoping to knock it, An oil company is interested in estimating the true proportion of female truck drivers based in five, When writing a formal business report, you should begin by __________. Can dialogue be put in the same paragraph as action text. 3 Probability of genders of first three children in a family with 5 Boys and 6 Girls. Quiz 7.2 a ap statistics answer key Key - Just Practice! What is the total annual dividend received from owning 100 shares of stock A, if Company A issues a $0.15 quarterly dividend to its shareholders? can anyone help me out with where to get started on this problem? Your comments have been successfully added. Only 29% of healthy people have this disease. a) from multinomial distribution: P (4 under 30, 2 between 30-50, 1 between 50-70 and 1 . How to find the probability of a family having two boys out of three? Expert Answer. Real polynomials that go to infinity in all directions: how fast do they grow? 2) What would be an example of a company that you believe has POOR business ethics? 2007-2023 Learnify Technologies Private Limited. Why hasn't the Attorney General investigated Justice Thomas? You are using an out of date browser. She had the owner list the stolen items so that if the thief tried to sell them nearby, police would be on the lookout. 7) 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 . It can mean either that all people who have Periodontal Disease will have a heart attack or that statistics presented above a) is incorrect. do you know the names of at least five other people who live on your block?" B. . Brainliest please answer ANY ANSWERS WITH NO ANSWER WILL BE REPORTED What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? = P{2 children}P{2 girls|2 children} Why does the second bowl of popcorn pop better in the microwave? And how to capitalize on that? We know $P(G)$, because we computed it above. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time. Key - Just Practice! Get it Now. Suppose that you live in a community that has 125,000 households. %PDF-1.5 The proportion in the sample can be expressed as; Your email address will not be published. Here is the list of stolen items the owner made, along with the value of items stolen: 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. Researchers discovered that 81% of people who have suffered a heart attack has periodontal disease, an inflammation of the gums. 4 Clarify math problem. 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. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude). of girls and Y be the number of boys in that family. Key - Just Practice! AP Statistics (b)Does the . Mens gold watch e) yes, standard error will be large. Solve Now! a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. TABLE 1 Stolen Item List There is a Probability question ask for expected number I feel so confuse. If the es, In many cases, pioneers lose their market lead and initial market share to imitators who:______. 2 0 obj $$P(S_2|G)P(G)=P(S_2\cap G)=P(G|S_2)P(S_2).$$ If . If you're struggling with a math problem, try breaking it down into smaller pieces and solving each part separately. Quiz 7.1C. $69,000 College Math. How to add double quotes around string and number pattern? Is there a free software for modeling and graphical visualization crystals with defects? Unfortunately, the smart thief wore gloves, so no fingerprints were recovered from the scene. Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. Quiz 7.1C. Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability. After Claire arrived, she ordered techs to look for fingerprints and video surveillance footage. To solve a math equation, you need to decide what operation to perform on each side of the equation. What is the probability that both children are boys if at least one is a boy born on a Tuesday? E) if you took a sample of 50 individuals instead of 100 from the original community, would the sampling distribution of the statistic change? $32,995 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. How to determine chain length on a Brompton? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Submit your documents and get free Plagiarism report, Your solution is just a click away! Fast Professional Tutoring. 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. Question: 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " 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". " 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". Nov 18 2022 08:12 AM 1 Approved Answer Justify each answer. 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. 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. Get it solved from our top experts within 48hrs! ", "answerCount": 1, "upvoteCount": 0, "dateCreated": "1/16/2023 12:18:42 PM", "datePublished": "1/16/2023 12:18:42 PM", "suggestedAnswer": [ { "@type": "Answer", "text": "Answer: The proportion of people in your sample whose response is yes=40 people Explanation: Step 1: Determine the statistical proportion that will say yes Proportion=40%=40/100=0.4 Step 2: Determine the proportion in the sample that will say yes The proportion in the sample can be expressed as; P=SZ where; P=proportion in the sample S=statistical proportion Z=sample size In our case; P=unknown to be determined S=40%=40/100=0.4 Z=100 replacing; Proportion in the sample=0.4100=40 The proportion of people in your sample whose response is yes=40 people", "upvoteCount": 0, "dateCreated": "1/16/2023 12:20:31 PM", "url": "https://business-question.com/suppose-that-in-a-certain-community-40-of-the-residents-would-answer-yes-to-the-question-do-you-14298927-21/#comment-186383", "author": { "@type": "Person", "url" : "https://business-question.com/author/Amara129", "name": "Amara129" } } ] } }, 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. Why cant there just be an airport on land only for military aircraft? if you took a sample of 100 individuals from this muchlarger community, would the sampling distribution of the statistic be different? 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 . You can specify conditions of storing and accessing cookies in your browser. Suppose that in a certain community, 40% of the. 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. Suppose that in a certain community, 40% of the. % By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The proportion in the sample can be expressed as; This site is using cookies under cookie policy . Spellcaster Dragons Casting with legendary actions? All Rights Reserved. " 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 sa. (Rate this solution on a scale of 1-5 below). We know $P(G|S_2)$, it is $(1/2)^2$. Does the question reference wrong data/reportor numbers? And we know $P(S_2)$, we were told what it is in the statement of the problem. 4 0 obj 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). Math Solutions. 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'. 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. <>>> What fraction of the families with at least two girls is this? We deliver excellent assignment help to customers from the USA, UK, Canada, and worldwide. Q: A population of women has 40% with dark eyes. 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. Why don't objects get brighter when I reflect their light back at them? " 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. Suppose further, that in each family each child independently is equally likely to be a boy or a girl. 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. a. Keep up with the worlds newest programming trends. 5 months ago, Posted Determine math problems. A: Click to see the answer. A. 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. 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 that in a certain community heart attacks are quite rare, occurring with only 11% probability. How can I make the following table quickly? Include 2 or more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. What sort of contractor retrofits kitchen exhaust ducts in the US? 4 days ago. Privacy Policy. <> Start studying Test 7C AP Statistics. b) normal distribution with parameter p and standard error=sqrt(pq/n) 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. The probability that a randomly selected individual in a certain community has made an purchase is 0.33. My attempt Edit You must log in or register to reply here. 3) family has all 3 girls. 1. Does the question reference wrong data/reportor numbers? How can I drop 15 V down to 3.7 V to drive a motor? Only 29% of healthy people have this disease. Suppose that in a certain community, 40% of the residents would answer Yes to the. a. capitalize on the pioneers weakne, On October 1, 2019, Illini Company purchased a truck for $42,000. The probability that there are at least $2$ girls is $(0.35)(1/2)^2 +(0.30)(1/2)$. . 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. James was able to forward their police reports, including this list of the value of items stolen. We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. Get plagiarism-free solution within 48 hours. As important. 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? If a family is chosen at random from this community, then B, the number of boys, and G, the number of girls, determine the conditional probability mass function of the size of a randomly chosen family containing 2 girls. 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 can I test if a new package version will pass the metadata verification step without triggering a new package version? Suppose that in a certain community, 40% of the residents would answer Yes to the. The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. . The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. Quiz 7.1 a ap statistics answer key. Math Assignments. of the population is over 70. A municipal bond service has three rating categories (A, B, and C) and is issued by cities or by suburbs. Quiz 7.1C. = 0.35(0.50)^2 (Rate this solution on a scale of 1-5 below). Do my homework for me. How can I detect when a signal becomes noisy? 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. An implication is False if there is an instance in which [statement 2] is false but [statement 1] is true. |By using our site, you agree to our, Free Mechanical Engineering Homework Help, Checkout Why do you believe that the company has excellent business ethics $25,560 P{B = 0, G = 1} = P{1 girl and a total of 1 child}, I belive, I understand this because the possibles outcomes are (0,1)(1,0) only 1 of 2 =1/2. We store cookies data for a seamless user experience. " 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". 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". 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. Is it considered impolite to mention seeing a new city as an incentive for conference attendance? Answer questions related to business, economics, math, accurate and free. That is not what you are being asked to find, though it is a very useful part of the process. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Conditional Probability: Birth rank of children in randomly chosen families. = 0.0875. Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. "P(H|D) = \\frac{P(H)*P(D|H)}{P(D)} = \\frac{0.1*0.85}{0.29} \\approx 0.293" or "29.3\\%". Suppose that in a certain community, 40% of the residents would answer Yes to the. Why do you believe that the company has poor ethics? The second part of the sum is because if the family has $3$ children, the probability that girls will outnumber boys is, by symmetry, equal to $1/2$. All rights reserved. Among these households, 50,000 have traditional landline telephones while the remaining 75,000 only use cellular and / or VOIP telephones. Quiz 7.1C. Only 30% of healthy people have this disease. Can someone please tell me what is written on this score? What is the etymology of the term space-time? "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, . Instant answers; Get Homework; Solving word questions; Solve Now! Determine the conditional probability mass function of the size of a randomly chosen family containing 2 girls. ? The first one is pretty simple. Now, add these up, $\frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}$. Since the EMS system is bus, s each statement true or false? Let $G$ be the event "there are at least $2$ girls" and let $S_2$ be the event "the family size is $2$." However, they need to be checked by the moderator before being published. 12/17/14. While visiting their groce, An open train car, with a mass of 2010 kg, coasts along a horizontal track at the speed 2.53 m/s. Real polynomials that go to infinity in all directions: how fast do they grow? Solve Now! Its $$\frac{8.75}{23.75}=\frac7{19}\;,$$ so the conditional probability that a randomly chosen family has exactly two children given that it has at least two girls is $7/19$: $\Bbb P(B+G=2\mid G\ge 2)=7/19$. It may not display this or other websites correctly. Suppose further, that in each family Put someone on the same pedestal as another. Assume a family in this community is chosen at random and let X be the number for any assignment or question with DETAILED EXPLANATIONS! On Fe. To know more check the Each time, the thief left no fingerprints and always wore a mask to hide their identity. Lets catch up with our law enforcement officer Detective Claire, who is investi I can help you determine the answer to math problems. AP Statistics. I know that something is wrong in my thought but I can't see it. if you took a sample of 100 individuals from this much larger community, would the sampling distribution of the statistic be different? rev2023.4.17.43393. AP Statistics. If someone explains the correct way, I will be tanks. Clear up mathematic problem . Distraught, he phoned police. Question: Suppose that 45% of all adults in a certain community are obese and that 40% suffer from diabetes. that all are girls given that there is atleast one girl named Lila. in what way? To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. We want to find the conditional probability that the family size is $2$. 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? 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. 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? The best answers are voted up and rise to the top, Not the answer you're looking for? Solve Now. A: Given: p=0.4 n=20 Let X~B (n,p) Q: Suppose that 54% of people own dogs. Only 30% of healthy people have this disease. a) what are the parameter and the statistic in this situation? Researchers discovered that 78% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. When she had the tech team focus in on the bags label, Claire found that it was the bag from an expensive French designer. Name: 1. 1) What would be an example of a company that you believe has GREAT business ethics? 5 months ago, Posted more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. What an odd presumption. The best answers are voted up and rise to the top, Not the answer you're looking for? Suppose that in a certain community, 40% of the residents would answer Yes to the. Main site navigation. Get it solved from our top experts within 48hrs! Suppose that in a certain community, 40% of the residents would. each child independently is equally likely to be a boy or a girl. Connect and share knowledge within a single location that is structured and easy to search. Over the following year, there were six more heists throughout the city, with total goods stolen valued at $3.75 million. Solve Now. Suppose that in a certain community, 40% of the. So now use the percent of families with exactly 3 children to find this portion of the probability: Hence, add the two probabilities here is it in full detail, $$\begin{eqnarray}\mathbb{P}(\text{contains 2 girls}) &=& \mathbb{P}(\text{2 children}) \times \mathbb{P}(\text{2 girls, 2 children}) + \\ &\phantom{+=}& \mathbb{P}(\text{3 children}) \times \mathbb{P}(\text{2 or 3 girls, 3 children}) \end{eqnarray}$$, $\frac{1}{4} 35\% + 30\% \times \left(\frac{3}{8} +\frac{ 1}{8}\right)$.

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