n 1995 a magazine reported the results of a poll of adult Americans in which it asked, "Have you ever driven a car when you probably had too much alcohol to drive safely?" The exact results were not given, but from the information given, we can guess at what they were. Of the 300 men who answered, 186 (62%) said yes and 108 (36%) said no. The remaining six men weren't sure. Of the 300 women, 90 (30%) said yes and 207 (69%) said no; the remaining three women weren't sure. (a) Compute a 95% confidence interval for the difference in proportions of American men and women who would say yes to this question. (Use pmen − pwomen. Round your answers
n 1995 a magazine reported the results of a poll of adult Americans in which it asked, "Have you ever driven a car when you probably had too much alcohol to drive safely?" The exact results were not given, but from the information given, we can guess at what they were. Of the 300 men who answered, 186 (62%) said yes and 108 (36%) said no. The remaining six men weren't sure. Of the 300 women, 90 (30%) said yes and 207 (69%) said no; the remaining three women weren't sure. (a) Compute a 95% confidence interval for the difference in proportions of American men and women who would say yes to this question. (Use pmen − pwomen. Round your answers
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 1995 a magazine reported the results of a poll of adult Americans in which it asked, "Have you ever driven a car when you probably had too much alcohol to drive safely?" The exact results were not given, but from the information given, we can guess at what they were. Of the 300 men who answered, 186 (62%) said yes and 108 (36%) said no. The remaining six men weren't sure. Of the 300 women, 90 (30%) said yes and 207 (69%) said no; the remaining three women weren't sure.
(a)
Compute a 95% confidence interval for the difference in proportions of American men and women who would say yes to this question. (Use
pmen − pwomen.
Round your answers to three decimal places.)to
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