Answered: A sociologist is comparing the…

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 sociologist is comparing the proportion of teenage
boys who receive a text message at least once an hour to
the percentage of teenage girls who do. She has collected

data from 150 men and 150 women. Which of the follow-
ing is NOT a condition that the sociologist should check

before creating a confidence interval for the difference in
population proportions?
A) The samples are each approximately Normal.
B) There at least 10 successes and 10 failures in each
sample.
C) The male sample and female sample are independent.
D) The people in each sample were selected at random.
E) No more than 10% of each population was sampled.

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