Answered: A study reports that 75 percent of…

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 reports that 75 percent of young adults in a county get their news from online sources. A sociologist believes that the percentage is actually greater than 75 percent. The sociologist will select a random sample of young adults from around the county to interview. Which of the following is the most appropriate method for investigating the sociologist’s belief?

A one-sample zz-test for a difference in population proportions

A
A one-sample zz-test for a sample proportion

B
A one-sample zz-test for a population proportion

C
A two-sample zz-test for a difference in population proportions

D
A two-sample zz-test for a difference in sample proportions

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