A survey asked, "How many tattoos do you currently have on your body?" Of the 1246 males surveyed, 189 responded that they had at least one tattoo. Of the 1021 females surveyed, 143 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p1 represent the proportion of males with tattoos and p2 represent the proportion of females with tattoos. Find the 99% confidence interval for p1−p2. The lower bound is: The upper bound is:
A survey asked, "How many tattoos do you currently have on your body?" Of the 1246 males surveyed, 189 responded that they had at least one tattoo. Of the 1021 females surveyed, 143 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p1 represent the proportion of males with tattoos and p2 represent the proportion of females with tattoos. Find the 99% confidence interval for p1−p2. The lower bound is: The upper bound is:
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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Question
100%
A survey asked, "How many tattoos do you currently have on your body?" Of the
1246
males surveyed,
189
responded that they had at least one tattoo. Of the
1021
females surveyed,
143
responded that they had at least one tattoo. Construct a
99%
confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p1 represent the proportion of males with tattoos and p2 represent the proportion of females with tattoos. Find the 99% confidence interval for p1−p2.The lower bound is:
The upper bound is:
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