In random, independent samples of 400 adults and 275 teenagers who watched a certain television show, 224 adults and 121 teens indicated that they liked theshow. Let p, be the proportion of all adults watching the show who liked it, and let p, be the proportion of all teens watching the show who liked it. Find a 95%confidence interval for p,-P2. Then find the lower limit and upper limit of the 95% confidence interval.Carry your intermediate computations to at least three decimal places. Round your responses to at least three decimal places. (If necessary, consult a list offormulas.)Lower limit:Upper limit:

Answered: Image /qna-images/answer/c5d63285-ead9-4b3f-8618-8f3f4c53a924.jpg

Answered: In random, independent samples of 400…

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 random, independent samples of 400 adults and 350 teenagers who watched a certain television show, 280 adults and 161 teens indicated that they liked the show. Let p, be the proportion of all adults watching the show who liked it, and let p, be the proportion of all teens watching the show who liked it. Find a 95% confidence interval for p, -p,. Then find the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your responses to at least three decimal places. (If necessary, consult a list of formulas.) Lower limit: Upper limit:
A simple random sample of 2,500 persons is taken to estimate the percentage of Republicans among the 52,000 eligible voters in Taunton. It turns out that 1,056 people in the sample are Republicans. The goal is to find a 95%-confidence interval for the percentage of Republicans among all 52,000 eleigible voters. Now find a 95%-confidence interval for the percentage of eligible voters in the city who are Republicans. For this interval the lower limit is
In random, independent samples of 225 adults and 200 teenagers who watched a certain television show, 112 adults and 138 teens indicated that they liked the show. Let p1 be the proportion of all adults watching the show who liked it, and let p2 be the proportion of all teens watching the show who liked it. Find a 95% confidence interval for −p1p2. Then find the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your responses to at least three decimal places. a.) The Lower Limit is: b.) The Upper Limit is:
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A retrospective study of 100 pairs of twins was performed. The twin pairs each had one male child and one female child. Their birth weights were studied to determine if the male twin was consistently heavier. The difference in weights was calculated by subtracting the female weight (in ounces) from the male weight (in ounces): d=xm−xfd=xm-xf After looking at 100 pairs of twins, the study finds the 95% confidence interval for the mean difference of weights (in ounces) is: 1.9 < μdμd < 6.7 Can we be reasonably sure that the male twins are heavier than the females? Yes No Why or why not?
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