In a survey of 3159 adults aged 57 through 85 years, it was found that 87.6% of them used at least one prescriptionmedication. Complete parts (a) through (b) below.**a. How many of the 3159 subjects used at least one prescription medication?(Round to the nearest integer as needed.)b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use atleast one prescription medication.%

a)It is given that, in a survey of 3159 adults aged 57 through 85 years 87.6% used at least one…

Answered: In a survey of 3159 adults aged 57…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a survey of 3116 adults aged 57 through 85 years, it was found that 86.2% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3116 subjects used at least one prescription medication? b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. c. What do the results tell us about the proportion of college students who use at least one prescription medication? A. The results tell us that there is a 90% probability that the true proportion of college students who use at least one prescription medication is in the interval found in part (b). B. The results tell us that, with 90% confidence, the probability that a college student uses at least one prescription medication is in the interval found in part (b). C. The results tell us that, with 90% confidence, the true proportion of college students who use at…
n a survey of 3422 adults aged 57 through 85 years, it was found that 82.7% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3422 subjects used at least one prescription medication? nothing (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. nothing%less thanpless than nothing% (Round to one decimal place as needed.)
In a survey of 3119 adults aged 57 through 85 years, it was found that 86,9% f them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3119 subjects used at least one prescription medication? (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. %
In a survey of 3341 adults aged 57 through 85 years, it was found that 88.1% of them used at least one prescription medication. Complete parts (a) through (c) below. a)a. How many of the 3341 subjects used at least one prescription medication? nothing (Round to the nearest integer as needed.) b) Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. (Round to the nearest integer as needed.) c)What do the results tell us about the proportion of college students who use at least one prescription medication?
Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)
In a survey of 3242 adults aged 57 through 85 years, it was found that 82.9% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3242 subjects used at least one prescription medication? ____ (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. ____%<p<____% (Round to one decimal place as needed.) c. What do the results tell us about the proportion of college students who use at least one prescription medication? A. The results tell us that there is a 90% probability that the true proportion of college students who use at least one prescription medication is in the interval found in part (b). B. The results tell us that, with 90% confidence, the probability that a college student uses at least one prescription medication is in the interval found in part (b).…
Answer Part B
In a survey of3313 adults aged 57 through 85 years, it was found that 88.6% of them used at least one prescription medication. a. How many of the 3313 subjects used at least one prescription medication? (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. (Round to one decimal place as needed.)
We randomly sample 218 individuals and find that 97 have a college degree. a.)Construct a 95% confidence interval. b.) Describe our interpretation of the confidence level.
Ten engineering schools in the US were surveyed. the sample contains 250 electrical engineers, 80 being women; 175 chemical engineers, 40 being women. Compute a 90% confidence interval for the difference between the proportions of women in these two fields of engineering. Select one: O a. (0.02, 0.16) Ob. (0.01, 0.17] O. (0.04, 0.14) O d. [0.03, 0.15]
In a poll of 515 human resource professionals, 45.8% said that body piercings and tattoos were big personal grooming red flags. Complete parts (a) through (d) below. a. Among the 515 human resource professionals who were surveyed, how many of them said that body piercings and tattoos were big personal grooming red flags? 236 (Round to the nearest integer as needed.) b. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big personal grooming red flags. Π (Round to three decimal places as needed.)
Twenty-two car salespeople were sampled to see how many cars they sold in a month; the following data was obtained: 26, 20, 22, 18, 21, 14, 24, 28, 17, 23, 28, 29, 18, 17, 24, 26, 19, 27, 26, 22, 23, 25 Construct a 95% confidence interval for the mean number of cars sold per month by the population of car salespeople. S = t = Margine of Error: E = We are 95% confident that, on average, car salespeople sell between cars and cars per month.

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