Make a decision about the given claim. Use only the rare event rule, and make su

Question

Make a decision about the given claim. Use only the rare event rule, and make subjective estimates to determine whether events are likely. For example, if the claim is that a coin favors heads and sample results consist of 11 heads in 20 flips, conclude that there is not sufficient evidence to support the claim that the coin favors heads (because it is easy to get 11 heads in 20 flips by chance with a fair coin). Claim: The mean respiration rate (in breaths per minute) of students in a large statistics class is less than 29. A simple random sample of the students has a mean respiration rate of 28.2 Choose the correct answer below. O A. 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. O B. 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. O C. The sample is unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is suficient evidence to support the claim. 0 D The sample is not unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is no sufficient evidence to support the da m

Explanation / Answer

The sample is not unusual if the claim is true and it is not unusual if the claim is false. Hence,

Option D is correct.

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