In 2011, the industries with the most complaints to the Better Business Bureau were banks, cable and satellite television companies, collection agencies, cellular phone providers, and new car dealerships (USA Today, April 16, 2012). The results for a sample of 200 complaints Observed Category Frequency Bank 26 Cable 44 Car 42 Cell 60 Collection 28 Total 200 Which industry has the most complaints? Cell Dropping the industry with the most complaints using a = .05, conduct a hypothesis test to determine if the probability of a complaint is the same for the remaining four industries. The test-statistic is 7.43 (to 2 decimals). p-value = (to 4 decimals) What is your conclusion? Do not reject the null hypothesis and conclude that the probability of complaint is same