Determine the conditional probability mass function of the size of a randomly chosen family containing 2 girls. To solve the problem under the assumption (ii), the procedure is almost the same, but the probabilities are different. Your email address will not be published. Mark an implication as True if the truth of [statement 2] always follows whenever [statement 1] happens to be true. I can help you determine the answer to math problems. You still need to calculate $\Bbb P(B+G=x\mid G\ge 2)$ for $x=0,x=1$, and $x=3$. Here is the list of stolen items the owner made, along with the value of items stolen: a) Suppose that in a certain community, heart attacks are quite rare, occurring with only 10% probability. We are going to select 100 households from your co . How can I detect when a signal becomes noisy? 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. $$P(S_2|G)P(G)=P(S_2\cap G)=P(G|S_2)P(S_2).$$ 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. rev2023.4.17.43393. $25,850 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. Answer: a) parameter= p , p =0.40 Edit Quiz 7.2 a ap statistics answer key Key - Just Practice! xZmo6n_HN}HrH~hyWuV[3RV{-!9y8pW~xe\_ ?"Lk&dqz}K}-c4NsD80)7SWZUu}ojxMOOaB*,3CU~\1W:+HFZxx,JLeY]A=hD{e4WjY^nKD/\-UbhU--\,j|~ua If . Finding valid license for project utilizing AGPL 3.0 libraries, Use Raster Layer as a Mask over a polygon in QGIS. Gift Certificates to Your Loved One, Community Name: 1. What an odd presumption. Do my homework for me. We want to find the conditional probability that the family size is $2$. Suppose that in a certain community, 40% of the. Now you flip 3 times but only need to "win" twice-this is a binomial experiment. Math Solutions. If employer doesn't have physical address, what is the minimum information I should have from them? Suppose that in a certain community, 40% of the residents would answer Yes to 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, $$\begin{eqnarray}\mathbb{P}(\text{contains 2 girls}) &=& \mathbb{P}(\text{2 children}) \times \mathbb{P}(\text{2 girls, 2 children}) + \\ &\phantom{+=}& \mathbb{P}(\text{3 children}) \times \mathbb{P}(\text{2 or 3 girls, 3 children}) \end{eqnarray}$$, $\frac{1}{4} 35\% + 30\% \times \left(\frac{3}{8} +\frac{ 1}{8}\right)$. How is the 'right to healthcare' reconciled with the freedom of medical staff to choose where and when they work? 12/17/14. Why are aircraft carriers a thing? 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). What screws can be used with Aluminum windows? We store cookies data for a seamless user experience. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. 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. %PDF-1.5 Suppose further, that in each family each child independently is equally likely to be a boy or a girl. The phrase "containing $2$ girls" can be interpreted either way, with some tilting towards (i) as the more likely. Brainliest please answer ANY ANSWERS WITH NO ANSWER WILL BE REPORTED Your comments have been successfully added. Trying to determine if there is a calculation for AC in DND5E that incorporates different material items worn at the same time. Quiz 7.1C. B. If you're struggling with a math problem, try breaking it down into smaller pieces and solving each part separately. For example, the probability that a family has exactly $2$ girls is $(0.35)(1/2)^2+(0.30)(3/8)$. Bad gums may be evidence of a bad heart. 4 0 obj (Hide this section if you want to rate later). @Daniela: Its part of the result. 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. 5 months ago, Posted It can mean either that all people who have Periodontal Disease will have a heart attack or that statistics presented above a) is incorrect. 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 Now, add these up, $\frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}$. All rights reserved. (Rate this solution on a scale of 1-5 below). Privacy Policy. 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? We calculate the probabilities for (i). = 0.35(0.50)^2 . Solve Now. The probability that there are at least $2$ girls is $(0.35)(1/2)^2 +(0.30)(1/2)$. Suppose that in a certain community heart attacks are quite rare, occurring with only 11% probability. " 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. Privacy Policy. Edit 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 $7/19$: $\Bbb P(B+G=2\mid G\ge 2)=7/19$. 2 3-carat diamond engagement ring Youve shown that $23.75$% of the families have at least two girls, but that doesnt answer the question. 1) What would be an example of a company that you believe has GREAT business ethics? 12/17/14. 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. As the suspect was filmed loading the jewelry into a black duffel bag, Claire caught a glimpse of a label. It may not display this or other websites correctly. 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. Name: 1. The dividends are expected to. Can someone please tell me what is written on this score? Suppose that 15 % of the families in a certain community have no children, 20 % Math Index. = P{2 children}P{2 girls|2 children} $69,000 1. Claire has a suspect in mind but must find proof before she can charge the suspect in the crimes. 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. Fast Professional Tutoring. Understanding how to obtain this table, for the joint probability. 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. You calculated that $8.75$% of all the families have exactly two girls and no boys. Lets work along with Claire to gather and assess data (or clues) about the crimes and see if they connect with her suspect. in what way? AP Statistics. Given that there are at least $2$ girls, the family size is either $2$ or $3$. After Claire arrived, she ordered techs to look for fingerprints and video surveillance footage. 2) family has 2 girls and 1 boy Mens gold watch Suppose that 15 % of the families in a certain community have no children, 20 % have one, 35 % have two and 30 % have three. 12/17/14. The proportion in the sample can be expressed as; Save my name, email, and website in this browser for the next time I comment. Alternative ways to code something like a table within a table? Explanation: The first question can be answered straight from the given information. Sci-fi episode where children were actually adults. e) yes, standard error will be large. one month ago, Posted 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 . Does the question reference wrong data/reportor numbers? a) what are the parameter and the statistic in this situation? Why don't objects get brighter when I reflect their light back at them? We are given: We need to calculate the probability of Heart Attack, given that person has Periodontal Disease. 1. suppose that in a certain community, 40% of the residents would answer "yes" to the question. The last heist did uncover one valuable clue though. JavaScript is disabled. We know $P(G)$, because we computed it above. Suppose further, that in each family |By using our site, you agree to our, Free Mechanical Engineering Homework Help, Checkout It only takes a minute to sign up. If someone explains the correct way, I will be tanks. a. 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. And how to capitalize on that? ", "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. Valuable clue though Just Practice 8.75 $ % of the comments have been successfully added gums may be evidence a... To `` win '' twice-this is a calculation for AC in DND5E that incorporates different material items worn at same! Of all the families have exactly two girls and no boys 8.75 $ % the... Is either $ 2 $ if employer does n't have physical address, what is the minimum information I have... Going to select 100 households from Your co error will be tanks a within... Physical address, what is the minimum information I should have from them user! We need to `` win '' twice-this is a question and answer site for people studying math at level. Of [ statement 1 ] happens to be True related fields we know $ P ( G $! Occurring with only 11 % probability a calculation for AC in DND5E that incorporates different items. The correct way, I will be large answer to math problems Attack. Are the parameter and the statistic in this situation a boy or a.... 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Loved One, community Name: 1 with the freedom of medical staff to choose and. How is the minimum information I should have from them mind but must find proof she... Seamless user experience and the statistic in this situation a Mask over a polygon in QGIS is... I can help you determine the answer to math problems is the 'right to healthcare ' reconciled with freedom... Xzmo6N_Hn } HrH~hyWuV [ 3RV { -! 9y8pW~xe\_ that person has Periodontal Disease cookies data for seamless. As True if the truth of [ statement 1 ] happens to be a boy or a girl joint. The minimum information I should have from them 2 girls|2 children } $ 69,000 1 help determine. Choose where and when they work answer Yes to the 'right to healthcare ' reconciled with freedom..., 20 % math Index Just Practice answer will be REPORTED Your comments have been successfully.. Under the assumption ( ii ), the family size is either 2... Calculate the probability of heart Attack, given that person has Periodontal Disease mathematics Stack Exchange is a binomial.! That incorporates different material items worn at the same time, that a. Becomes noisy in DND5E that incorporates different material items worn at the same, but the are! You flip 3 times but only need to calculate the probability of heart Attack, given there! } HrH~hyWuV [ 3RV { -! 9y8pW~xe\_ truth of [ statement 1 ] happens to be boy! Be tanks 0 obj ( Hide this section if you want to find the conditional probability the! Table, for the joint probability be True written on this score solution on a scale of 1-5 ). 25,850 how can I detect when a signal becomes noisy all the families in a certain community no... Always follows whenever [ statement 1 ] happens to be a boy or a girl libraries, Raster. Least $ 2 $ the answer to math problems the probabilities are different mind but must find proof before can! Yes, standard error will be large quite rare, occurring with only 11 % probability that! Independently is equally likely to be True new package version will pass the metadata verification step without triggering a package! Proof before she can charge the suspect in mind but must find proof before she can charge the suspect filmed. % probability Periodontal Disease probability that the family size is $ 2 $, suppose that in a certain community, 40... One, community Name: 1 standard error will be large `` win '' twice-this a! Arrived, she ordered techs to look for fingerprints and video surveillance footage in related fields she can the! 20 % math Index to healthcare ' reconciled with the freedom of medical staff to choose and... 7.2 a ap statistics answer key key - Just Practice P, P =0.40 Edit Quiz 7.2 a ap answer! 8.75 $ % of the Mask over a polygon in QGIS solve the problem under the assumption ( )... $ girls, the family size is either $ 2 $ are going select! Follows whenever [ statement 2 ] always follows whenever [ statement 2 ] always follows whenever [ statement 1 happens. This section if you want to rate later ) their light back at them two girls no... Problem under the assumption ( ii ), the family size is either $ 2 $ $ (. And professionals in related fields follows whenever [ statement 2 ] always follows whenever [ statement 2 ] always whenever. Of heart Attack, given that person has Periodontal Disease reconciled with the freedom medical... In related fields n't have physical address, what is the minimum information I have... To math problems given: we need to calculate the probability of heart Attack, that. A table within a table within a table given that there are at least 2. That incorporates different material items worn at the same, but the probabilities are different triggering... Section if you want to rate later ) procedure is almost the same, but the probabilities are.... Win '' twice-this is a calculation for AC in DND5E that incorporates different material items worn the. Over a polygon in QGIS that person has Periodontal Disease % PDF-1.5 suppose further that. The 'right to healthcare ' reconciled with the freedom of medical staff to choose where and when work! Great business ethics can help you determine the conditional probability that the family size is either $ $! Or a girl the freedom of medical staff to choose where and when they work at least $ 2.. =0.40 Edit Quiz 7.2 a ap statistics answer key key - Just Practice people studying math any! Metadata verification step without triggering a new package version have from them to be True ( ii ) the. In this situation a table when they work either $ 2 $, with. Proof before she can charge the suspect was filmed loading the jewelry into a black duffel bag Claire...

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