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The Owner of a Large Car Dealership Believes That the Financial

Question 68

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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.To determine whether there has been a decrease in the average number of customers visiting the dealership daily,the appropriate hypotheses are _________.


A) 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.To determine whether there has been a decrease in the average number of customers visiting the dealership daily,the appropriate hypotheses are _________. A) B) C) D)
B) 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.To determine whether there has been a decrease in the average number of customers visiting the dealership daily,the appropriate hypotheses are _________. A) B) C) D)
C) 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.To determine whether there has been a decrease in the average number of customers visiting the dealership daily,the appropriate hypotheses are _________. A) B) C) D)
D) 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.To determine whether there has been a decrease in the average number of customers visiting the dealership daily,the appropriate hypotheses are _________. A) B) C) D)

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