Answered: 1.The Pew Research Center conducted a…

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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1.The Pew Research Center conducted a survey of 9600 adults and found that 70.5% of them know what Yelp is. Use a 0.05 significance level to test the claim that more than 70% of adults know what Yelp is.

Identify the significance level.

2.The Pew Research Center conducted a survey of 9600 adults and found that 70.5% of them know what Yelp is. Use a 0.05 significance level to test the claim that more than 70% of adults know what Yelp is.

Find the test statistic. Round to three decimal places.

3.The Pew Research Center conducted a survey of 9600 adults and found that 70.5% of them know what Yelp is. Use a 0.05 significance level to test the claim that more than 70% of adults know what Yelp is.

Find the p-value that associated with the test statistic. Round to four decimal places.

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