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QUESTION
A company with a fleet of 150 cars found that the emissions systems of 7 out of the 22 they tested failed to meet pollution control guidelines. is this strong evidence that more than 20% of the fleet
A company with a fleet of 150 cars found that the emissions systems of 7 out of the 22 they tested failed to meet pollution control guidelines. is this strong evidence that more than 20% of the fleet might be out of compliance? test an appropriate hypothesis and state your conclusion. be sure the appropriate assumption
