Coles Jimenez
07/10/2023 · Primary School

Suppose you read that the average height of a class of 39 eighth-graders is 56 inches with a standard deviation of 45 inches. Is this likely? Explain. Choose the correct answer below. A. This is likely because a mean height of 56 inches is a very plausible height for an eighth-grader. B. This is not likely because heights are usually not approximated b. This is normal distribution. deviation of 45 would imply that about \( 5 \% \) of the heights differ from the mean by more than 90 , which is impossible. D. This is likely because the heights are often accurately approximated by the normal distribution.

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B. This is not likely because a standard deviation of 45 would imply that about 5% of the heights differ from the mean by more than 90, which is impossible.

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