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A study at a community college shows that, of the 81 randomly selected first year students, 40 experienced stress. Of the 90 randomly selected second year students, 31 experienced stréss. (Let pi be the proportion of first year students experienced stress and p2 the proportion of second year students experienced stress). Find a 93% confidence interval for the difference in proportions. Round answers to two decimal places. < pi - p2< Submit Question

A study at a community college shows that, of the 81 randomly selected first year students, 40 experienced stress. Of the 90 randomly selected second year students, 31 experienced stréss. (Let pi be the proportion of first year students experienced stress and p2 the proportion of second year students experienced stress). Find a 93% confidence interval for the difference in proportions. Round answers to two decimal places. < pi - p2< Submit Question

MATLAB: An Introduction with Applications
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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A study at a community college shows that, of the 81 randomly selected first year students, 40 experienced stress. Of the 90 randomly selected second year students, 31 experienced stréss. (Let pi be the proportion of first year students experienced stress and p2 the proportion of second year students experienced stress). Find a 93% confidence interval for the difference in proportions. Round answers to two decimal places. < pi - p2 < Submit Question Chp -> Ce @ #3 $4 & 3 4 6. 7 8. 9. W e r t y f
Transcribed Image Text:A study at a community college shows that, of the 81 randomly selected first year students, 40 experienced stress. Of the 90 randomly selected second year students, 31 experienced stréss. (Let pi be the proportion of first year students experienced stress and p2 the proportion of second year students experienced stress). Find a 93% confidence interval for the difference in proportions. Round answers to two decimal places. < pi - p2 < Submit Question Chp -> Ce @ #3 $4 & 3 4 6. 7 8. 9. W e r t y f
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