Cable and satellite television companies

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In , 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  complaints are here:

Cable - 44

Car - 42

Collection - 28

Cell - 60

Bank - 26

Using , conduct a hypothesis test to determine if the probability of a complaint is the same for the five industries.

What is the test statistic?

What is the p-value?

Dropping the industry with the most complaints using , conduct a hypothesis test to determine if the probability of a complaint is the same for the remaining four industries.

What is the test statistic?

What is the p-value?

Reference no: EM131712806

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