A company with a fleet of 150 cars found that the emissions systems of 7 out of the 22 they tested failed



Answered question


A company with a fleet of 150 vehicles discovered that seven out of the 22 emissions systems they evaluated did not adhere to pollution control standards. Is this conclusive proof that up to 20% of the fleet may not be in compliance? Test a relevant theory, then provide your findings. Before moving on, confirm that all necessary presumptions and criteria have been met.

Answer & Explanation

Roosevelt Houghton

Roosevelt Houghton

Skilled2021-08-18Added 106 answers

2. Assumed SRS. sample is less than 10% of population . (0.20)(22)<10 and (0.80)(22)>10

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