A company held a blood pressure screening clinic for its employees. The results are summarized in the table below byage group and blood pressure level.a) Find the marginal distribution of blood pressure.Age30-49Over 50Under 30Blood Pressure402732Low47Normal93915271High2195183196Total(Round to one decimal place as needed.)b) Find the conditional distribution of blood pressure level within each age group.Start by finding the conditional distribution of blood pressure for the under 30 age group.Blood PressureOType here to search@tabcaps lock17A2#K3$4%56ERTDEGWS| x || C || V&7YUHB8ZTotal99231144LowNormalHigh474JN(980°FKMUnder 30%100.0OO274721P>Age4030-499152?Over 501329371Next2:26 PM44/30/2022Cpauseett A company held a blood pressure screening clinic for its employees. The results are summarized in the table below byage group and blood pressure level.Start by finding the conditional distribution of blood pressure for the under 30 age group.Blood PressureAgeLow Normal High Total27 47 21 95%%% 100%Under 30(Round to one decimal place as needed.)Find the conditional distribution of blood pressure for the 30-49 age group.Blood PressureAgeLow Normal High Total40 91 52 183%%% 100%30-49%(Round to one decimal place as needed.)#Type here to search.72tabcaps lockQ.AZ#$4alt%BI nC5WERTSDEG6Vالالالك&9.87HB NLowNormalHighC9JKM80°FUnder 30O<274721LPAge30-49409152E RC?JOver 503293711Next2:27 PM4/30/2022pausestri0D1

For the given data find the marginal and conditional distribution

Answered: A company held a blood pressure…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.7: Probability

Problem 2SE: What is a sample space?

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What is a sample space?
The Washington Post reported that, in the United States, 66% of adults and 87% of youths ages 12 to 17 use the Internet. Use the reported numbers as the population proportions and assume that samples of 300 adults and 300 youths will be used to learn about attitudes toward Internet security. a) Show the sampling distribution of /p where /p is the sample proportion of adults using the Internet? Compute four decimal places b) What is the probability that the sample proportion of adults using the Internet will be within ± .04 of the population proportion? Compute four decimal places c) What is the probability that the sample proportion of youths using the Internet will be within ± .04 of the population proportion? Compute four decimal places
In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were sometimes or always stressful. Suppose a sample of 500 adults is takes and the proportion that say their jobs were sometimes or always stressful is recorded. Assuming np(1-p) > 10, what is the mean of the sampling distribution of the sample proportion for this problem?
According to a dental association, 71% of all dentists use nitrous oxide (laughing gas) in their practice. In a random sample of 500 dentists, let p represent the proportion who use laughing gas in practice. Complete parts a through d below. a. Find Ep. b. Find σp. c. What does the Central Limit Theorem say about the shape of the sampling distribution of p? A. The Central Limit Theorem does not say anything about the sampling distribution of p because it is not a population mean. B. The Central Limit Theorem says that as the sample size grows large, the sampling distribution of p will approach the population distribution. C. The Central Limit Theorem says that as the sample size grows large, the sampling distribution of p will become approximately normal. D. The Central Limit Theorem says that the shape of the sampling distribution of p is completely determined by the population parameter p. d. Find P(p>0.55).
As a Physical Education teacher of ADU, Sir Loui wants to compute for the Body Mass Index of few students as part of his research. As a start, the following are the height of five students in meters. Jaeight- 1.47; Mae - 1.58; Grace - 1.67; Dyan - 1.69 and Ruzz - 1.51. Supposed samples of size 2 are taken from this population of five students. Construct a sampling distribution for the solutions and answers.a. What is the probability of getting a mean of 1.57?b. What is the mean of the sampling distribution of sample means?c. How many possible outcomes?d. What is the variance of the population?e. What is the mean of the population?f. What is the standard deviation of the sampling distribution of sample means?
As a Physical Education teacher of ADU, Sir Loui wants to compute for the Body Mass Index of few students as part of his research. As a start, the following are the height of five students in meters. Jaeight- 1.47; Mae - 1.58; Grace - 1.67; Dyan - 1.69 and Ruzz - 1.51. Supposed samples of size 2 are taken from this population of five students. Construct a sampling distribution for the solutions and answers.g. What is the probability of getting a mean of 1.49?h. What is the probability of getting a mean of 1.60?i. What is the probability of getting a mean of 1.58?j. What is the probability of getting a mean of 1.68?k. What is the variance of the sampling distribution of sample means?l. What is the standard deviation of the population?
the Wall Street Journal reported that the age at first startup for 55% of entrepreneurs was29 years of age or less and the age at first startup for 45% of entrepreneurs was 30 yearsof age or more (the Wall Street Journal, March 19, 2012).a. Suppose a sample of 200 entrepreneurs will be taken to learn about the most importantqualities of entrepreneurs. Show the sampling distribution of p where p is the sampleproportion of entrepreneurs whose first startup was at 29 years of age or less.b. What is the probability that the sample proportion in part (a) will be within ±.05 ofits population proportion?
the Wall Street Journal reported that the age at first startup for 55% of entrepreneurs was29 years of age or less and the age at first startup for 45% of entrepreneurs was 30 yearsof age or more (the Wall Street Journal, March 19, 2012).a. Suppose a sample of 200 entrepreneurs will be taken to learn about the most importantqualities of entrepreneurs. Show the sampling distribution of p where p is the sampleproportion of entrepreneurs whose first startup was at 29 years of age or less.b. What is the probability that the sample proportion in part (a) will be within ±.05 ofits population proportion?c. Suppose a sample of 200 entrepreneurs will be taken to learn about the most importantqualities of entrepreneurs. Show the sampling distribution of p where p is now thesample proportion of entrepreneurs whose first startup was at 30 years of age or more.
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Suppose a company surveyed the work preferences and attitudes of 1,006 working adults spread over three generations: baby boomers, Generation X, and millennials. In one question, individuals were asked if they would leave their current job to make more money at another job. The sample data are summarized in the following table. Leave Job forMore Money? Generation Baby Boomer Generation X Millennial Yes 119 154 172 No 197 185 179 Conduct a test of independence to determine whether interest in leaving a current job for more money is independent of employee generation. State the null and alternative hypotheses. H0: Interest in leaving job for more money is not mutually exclusive of the employee generation.Ha: Interest in leaving job for more money is mutually exclusive of the employee generation. H0: Interest in leaving job for more money is not independent of the employee generation.Ha: Interest in leaving job for more money is independent of the employee generation.…
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he Princeton Review, a company that tracks information about various colleges, reports that 30% of CofC students are out-of-state students. If we took many samples of CofC students, and for each sample calculate the proportion $\hat{p}$ of out-of-state students in that sample, what would be the center of this distribution?

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