Answered: The following data was calculated…

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

The following data was calculated during a study on online purchases. Now find the critical value(s) and sketch the rejection region for this hypothesis test at a 10% significance level:

The digital marketing specialist would like to test the claim that the percent of customers who use online coupons when making an online purchase is different than 75%.
Sample size =80 online customers
Sample proportion =0.90
Test statistic z0=3.10

Select the correct answer below:

Fail to reject H0. There is strong evidence to conclude that the percent of customers who use online coupons when making an online purchase is different than 75%.

Fail to reject H0. There is NOT strong evidence to conclude that the percent of customers who use online coupons when making an online purchase is different than 75%.

Reject H0. There is strong evidence to conclude that the percent of customers who use online coupons when making an online purchase is different than 75%.

Reject H0. There is NOT strong evidence to conclude that the percent of customers who use online coupons when making an online purchase is different than 75%.

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