The mean age of students in a large math class is greater than 20. A simple rand

Question

The mean age of students in a large math class is greater than 20. A simple random sample of the students has a mean ageage of 20.2. Choose the correct answer below.

A. The sample is unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is sufficient evidence to support the claim.

B. The sample is not unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim.

C. The sample is unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim.

D. The sample is not unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is sufficient evidence to support the claim.

Explanation / Answer

D. The sample is not unusal if the claim is true. Therefore, there is sufficient evidence to support the claim.

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