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The Owner of a Large Car Dealership Believes That the Financial

Question 68

Multiple Choice

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 ________.


A) reject H0; we can conclude that the mean number of customers visiting the dealership is significantly less than 800
B) reject H0; we cannot conclude that the mean number of customers visiting the dealership is significantly less than 800
C) do not reject H0; we can conclude that the mean number of customers visiting the dealership is significantly less than 800
D) do not reject H0; we cannot conclude that the mean number of customers visiting the dealership is significantly less than 800

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