Question: In each of the following cases explain how you know

In each of the following cases, explain how you know that the population of measurements could not be normally distributed.
a. The population is all families in the world that have exactly four children, and the measurement is the number of boys in the family.
b. The population is all college students and the measurement is number of hours per week the student exercises. The mean is 4.5 hours, and the standard deviation is also 4.5 hours.

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