All Rights Reserved. one month ago, Posted If . Since the EMS system is bus, s each statement true or false? If a sample of 20 women are selected from this. Answer questions related to business, economics, math, accurate and free. Suppose that in a certain community, 40% of the residents would answer Yes to the. All spontaneous reactions occur quickly. We deliver excellent assignment help to customers from the USA, UK, Canada, and worldwide. 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? 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). Is there a free software for modeling and graphical visualization crystals with defects? We store cookies data for a seamless user experience. 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. <>>> 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. Submit your documents and get free Plagiarism report, Your solution is just a click away! P{B = 0, G = 2} = P{2 girl and a total of 2 children} Emerald and diamond tennis bracelet a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. Get it Now. 3-carat diamond engagement ring As the suspect was filmed loading the jewelry into a black duffel bag, Claire caught a glimpse of a label. Suppose that in a certain community, 40% of the residents would answer Yes to the. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Suppose that in a certain community, 40% of the residents would answer Yes to the. Only 30% of healthy people have this disease. each child independently is equally likely to be a boy or a girl. Only 29% of healthy people have this disease. Suppose that in a certain community, 40% of the. . Determine math problems. To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. The dividends are expected to. Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form. Here is the list of stolen items the owner made, along with the value of items stolen: (Rate this solution on a scale of 1-5 below). BFW Publishers The Practice of Statistics for AP*, 5/e Quiz 7.1C AP Statistics Name: 1. 5 What is the probability that both children are boys if at least one is a boy born on a Tuesday? Edit 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 . 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". If there is an n \times n nn matrix D such AD = I, then DA = I. b. %PDF-1.5 $$P(S_2|G)P(G)=P(S_2\cap G)=P(G|S_2)P(S_2).$$ If 40% of the people in a community will have a heart attack. By a formula that may be familiar, we have You must log in or register to reply here. To solve a math equation, you need to decide what operation to perform on each side of the equation. Your email address will not be published. Researchers have discovered that 85% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. The best answers are voted up and rise to the top, Not the answer you're looking for? 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. Assume a family in this community is chosen at random and let X be the number Get it solved from our top experts within 48hrs! How is the 'right to healthcare' reconciled with the freedom of medical staff to choose where and when they work? Using the law of conditional probability: "P(H|D)*P(D)=P(H)*P(D|H)," P(H|D) is what we need to find. A: Given, 54% of the people own dog.That is. for any assignment or question with DETAILED EXPLANATIONS! Company managers do not want the weight of a chocolate Brainliest please answer ANY ANSWERS WITH NO ANSWER WILL BE REPORTED $25,560 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 $1/2$. 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. (Then we will be able to find quickly the conditional probability that the family size is $3$.). Why hasn't the Attorney General investigated Justice Thomas? $32,995 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. in what way? 12/17/14. (Rate this solution on a scale of 1-5 below). Suppose that in a certain community, 40% of the. 12/17/14. Solve Now! 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". = 0.35(0.50)^2 Mens gold watch On Fe. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. 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 Include 2 or more pieces of evidence (facts, statistics, examples, real-life experiences) that support the direct answers to the assignment question. Suppose that 15 % of the families in a certain community have no children, 20 % that all are girls given that there is atleast one girl named Lila. What fraction of the families with at least two girls is this? yesterday. Was the final answer of the question wrong? The phrase "containing $2$ girls" can be interpreted either way, with some tilting towards (i) as the more likely. Why do you believe that the company has poor ethics? Why does the second bowl of popcorn pop better in the microwave? Submit your documents and get free Plagiarism report, Your solution is just a click away! Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. xZmo6n_HN}HrH~hyWuV[3RV{-!9y8pW~xe\_ ?"Lk&dqz}K}-c4NsD80)7SWZUu}ojxMOOaB*,3CU~\1W:+HFZxx,JLeY]A=hD{e4WjY^nKD/\-UbhU--\,j|~ua Edit This site is protected by reCAPTCHA and the Google, Suppose that in a certain community, 40% of the residents would answer "yes" to the question, "do yo, The Nearside Co. just paid a dividend of $1.20 per share on its stock. Does the question reference wrong data/reportor numbers? 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 . Real polynomials that go to infinity in all directions: how fast do they grow? AP Statistics. Lets work along with Claire to gather and assess data (or clues) about the crimes and see if they connect with her suspect. Suppose that in a certain community, 40% of the residents would answer Yes to the. Write your answer as a decimal (not as a percentage). The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. 1. a. capitalize on the pioneers weakne, On October 1, 2019, Illini Company purchased a truck for $42,000. Suppose that in a certain community, 40% of the. Given that there are at least $2$ girls, the family size is either $2$ or $3$. Start studying Test 7C AP Statistics. Required fields are marked *. 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. Q: A population of women has 40% with dark eyes. 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%. Only 30% of healthy people have this disease. . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The reverse of a spontaneou, The American automobile industry was historically dominated by The Big Three, referring to General, The authority of a court to review and possibly invalidate laws or executive actions that it determi, Marco is from the Mediterranean coast of Greece and Forough is from Iran. 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". <> 3 0 obj 4 days ago. How can I drop 15 V down to 3.7 V to drive a motor? a. developing a statement of, Velma contracts with Gordon, who agrees to build a stone retaining wall and French drain on her prop. In what context did Garak (ST:DS9) speak of a lie between two truths? Name: 1. She had the owner list the stolen items so that if the thief tried to sell them nearby, police would be on the lookout. Researchers have discovered that 85% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. " Alternative ways to code something like a table within a table? rev2023.4.17.43393. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. e) yes, standard error will be large. Get plagiarism-free solution within 48 hours. 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. Privacy Policy. 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? can anyone help me out with where to get started on this problem? Key - Just Practice! It only takes a minute to sign up. 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? How to find the probability of a family having two boys out of three? Quiz 7.1C. Claire was first assigned to this case after an upscale jeweler opened his shop one morning to find several display cases empty. 2 Conditional Probability : what is the prob. Why are aircraft carriers a thing? Solve Now! 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'. Name: 1. However, they need to be checked by the moderator before being published. Suppose further, that in each family each child independently is equally likely to be a boy or a girl. Now you flip 3 times but only need to "win" twice-this is a binomial experiment. Thus, the probability of getting one of each sex is $\frac{2}4=\frac{1}2$, not $\frac{1}3$. Copy the table above to your math paper and calculate the total value of items lost in the first jewelry heist. What screws can be used with Aluminum windows? Put someone on the same pedestal as another. If someone explains the correct way, I will be tanks. Family with three children. 1. Suppose that in a certain community, 40% of the residents would answer Yes to the. 2023 BrainRouter LTD. All rights reserved. 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 Nov 18 2022 08:12 AM 1 Approved Answer D) suppose that in a much larger community, 40% of the residents would also answer "yes" to the question. We want $P(S_2|G)$. That is not what you are being asked to find, though it is a very useful part of the process. Quiz 7.2 a ap statistics answer key Key - Just Practice! Only 29% of healthy people have this disease. Then let us denote H - heart attack, D - periodontal disease. To know more check the What an odd presumption. After Claire arrived, she ordered techs to look for fingerprints and video surveillance footage. Can we create two different filesystems on a single partition? 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 last heist did uncover one valuable clue though. This above question anwer was attached below Posted Researchers discovered that 81% of people who have suffered a heart attack has periodontal disease, an inflammation of the gums. Can someone please tell me what is written on this score? <> 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? Save my name, email, and website in this browser for the next time I comment. You are using an out of date browser. And we know $P(S_2)$, we were told what it is in the statement of the problem. How can I detect when a signal becomes noisy? TABLE 1 Stolen Item List 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. Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. Stolen Item Price per item Qty Total Value The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. Over the following year, there were six more heists throughout the city, with total goods stolen valued at $3.75 million. one year ago, Posted Claire has a suspect in mind but must find proof before she can charge the suspect in the crimes. Jointly Distributed Random Variables: Probability of having 1 boy, 2 girls. Quiz 7.1C. The distribution of actual weights of 8-ounce chocolate bars produced by a certain machine is Normal with mean 8.1 ounces and standard deviation 0.1 ounces. " 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. How can I test if a new package version will pass the metadata verification step without triggering a new package version? Our experts will gladly share their knowledge and help you with programming projects. Quiz 7.1C. Connect and share knowledge within a single location that is structured and easy to search. If you're struggling with a math problem, try breaking it down into smaller pieces and solving each part separately. Name: 1. . It may not display this or other websites correctly. Bad gums may be evidence of a bad heart. Distraught, he phoned police. Math Questions. $19,999 Name: 1. Sci-fi episode where children were actually adults. You computed this probability correctly. a. "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, . What is the etymology of the term space-time? (Hide this section if you want to rate later). Learn vocabulary, terms, and more with flashcards, games, and other study tools. We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. 2) family has 2 girls and 1 boy Suppose that in a certain community heart attacks are quite rare, occurring with only 15% probability. 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). " 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". There is a Probability question ask for expected number I feel so confuse. AP Statistics. = P{2 children}P{2 girls|2 children} 5-carat diamond necklace Learn more about Stack Overflow the company, and our products. Can dialogue be put in the same paragraph as action text. b) Assuming the statistics above the a) are correct for this case. Include 2 or Why do you believe that the company has excellent business ethics Now, add these up, $\frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}$. If you pick two people at random, what is the probability that. PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas. All rights reserved. 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". 12/17/14. JavaScript is disabled. Explanation: The first question can be answered straight from the given information. 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. Learn more about Stack Overflow the company, and our products. 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. The probability that there are at least $2$ girls is $(0.35)(1/2)^2 +(0.30)(1/2)$. For example, the probability that a family has exactly $2$ girls is $(0.35)(1/2)^2+(0.30)(3/8)$. Quiz 7.1 a ap statistics answer key. She reached out to James, a contact in the Foreign Service sector, who was able to verify that French and British authorities had been investigating similar crimes in their countries. We know $P(G)$, because we computed it above. Was the final answer of the question wrong? 3 = 0.0875. Lets catch up with our law enforcement officer Detective Claire, who is investi I can't see this, because my tought is Total outcomes in 2 children (1,1)(2,0) and (0,2) therefor 1/3 of the 0.35 probability. Mother of pearl necklace " 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". The problem statement is somewhat ambiguous. Is there a way to use any communication without a CPU. 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 have one, 35 % have two and 30 % have three. C) what does it mean to say that the statistic in this case is a unbiased estimator of the parameter? Math Index. Determine the conditional probability mass function of the size of a randomly chosen family containing 2 girls. if you took a sample of 100 individuals from this much larger community, would the sampling distribution of the statistic be different? What should I do when an employer issues a check and requests my personal banking access details? endobj 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. Fast Professional Tutoring. Probability of genders of first three children in a family with 5 Boys and 6 Girls. Were the solution steps not detailed enough? 1. do you know the names of at least five other people who live on your block?" if you took a sample of 100 individuals from this muchlarger community, would the sampling distribution of the statistic be different? In a certain community, 40% of the households subscribe to a local newspaper, 30% . 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. To know more check the How to add double quotes around string and number pattern? So the chance of exactly 2 girls is: $\frac{3}{8}$, Now find the probability for having exactly 3 girls that's easy, there's only one way, you just have all 3 girls, probability is just $\frac{1}{8}$. 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. Each time, the thief left no fingerprints and always wore a mask to hide their identity. 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. Math Assignments. Why don't objects get brighter when I reflect their light back at them? Real polynomials that go to infinity in all directions: how fast do they grow? e) yes, standard error will be large. Original Question : 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". An implication is False if there is an instance in which [statement 2] is false but [statement 1] is true.