Question: The mean ACT composite score in a recent year is 20.8. A random sample of 36 ACT composite scores is selected. What is the probability

The mean ACT composite score in a recent year is 20.8. A random sample of 36 ACT composite scores is selected. What is the probability that the mean score for the sample is

(a) Less than 21.6,

(b) More than 19.8, and

Find the indicated probabilities and interpret the results.

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