Answered: It was claimed recently that more than…

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

It was claimed recently that more than

60%

of high school students in the United States use computers for educational purposes. We wish to examine this claim. We choose a random sample of

215

U.S. high school students and find that

140

of these students use computers for educational purposes. Based on this, can we conclude, at the

0.01

level of significance, that more than

60%

of high school students in the United States use computers for educational purposes? In your answers, denote the proportion of all U.S. high school students who happen to use computers for educational purposes by

Perform a one-tailed test.


The null hypothesis:	H0:
The alternative hypothesis:	H1:
The type of test statistic:	(Choose one)ZtChi squareF

The value of the test statistic: (Round to at least three decimal places.)
The p-value: (Round to at least three decimal places.)
Can we conclude that more than 60% of high school students in the United States use computers for educational purposes?	Yes	No

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