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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

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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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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 __________.

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
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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