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