The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership. The dealership has historically had 800 customers per day. The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750. Assume that the population standard deviation is 350. At the 5% significance level, the decision is to
The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership. The dealership has historically had 800 customers per day. The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750. Assume that the population standard deviation is 350. At the 5% significance level, the decision is to
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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The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership. The dealership has historically had 800 customers per day. The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750. Assume that the population standard deviation is 350. At the 5% significance level, the decision is to __________.
Transcribed Image Text:The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership. The dealership has historically had
800 customers per day. The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750. Assume that the
population standard deviation is 350. At the 5% significance level, the decision is to
Multiple Choice
reject Ho; we can conclude that the mean number of customers visiting the dealership is significantly less than 800
do not reject Ho, we can conclude that the mean number of customers visiting the dealership is significantly less than 800
reject HØ; we cannot conclude that the mean number of customers visiting the dealership is significantly less than 800
do not reject Ho; we cannot conclude that the mean number of customers visiting the dealership is significantly less than 800
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