Remember the formula for the 80% confidence interval of a single proportion(see picture) : what is the lower bound of the 80% confidence interval for the proportion of the category of "high helpfulness" amongst those younger than 35 yrs old. P=54% and the standard error of proportion = 0.07 Remember the formula for the 80% confidence interval of a single proportion:ci80p = p±(1.28 × sep)That is, the 80% confidence interval is a range centered on p, starting at p minus 1.28 standard errors (thelower bound) and ending at p plus 1.28 standard errors (the upper bound).5. What is lower bound of the 80% confidence interval for the proportion of "high helpfulness" among thoseyounger than 35 (ci80p,)? P₁= 54%%Sep₁ = 0,075._

Answered: Image /qna-images/answer/4f8749fa-5adf-4752-879d-a442f09bcfe2.jpg

Remember the formula for the 80% confidence interval of a single proportion(see picture) : what is the lower bound of the 80% confidence interval for the proportion of the category of "high helpfulness" amongst those younger than 35 yrs old. P=54% and the standard error of proportion = 0.07

Remember the formula for the 80% confidence interval of a single proportion(see picture) : what is the lower bound of the 80% confidence interval for the proportion of the category of "high helpfulness" amongst those younger than 35 yrs old. P=54% and the standard error of proportion = 0.07

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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