Solve the problem. 7) Human body temperatures are normally distributed with a mean of 98.20 F and a standard deviation of 0.

Solve the problem.

7) Human body temperatures are normally distributed with a mean of 98.20 F

 and a standard deviation of 0.62 F. If 19 people are randomly selected, find the probability that their mean body temperature will be less than  98.50 F

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