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Assume that females have pulse rates that are normally distributed with a mean of μ=72.0 beats...

Assume that females have pulse rates that are normally distributed with a mean of μ=72.0 beats per minute and a standard deviation of sigma equals σ=12.5

beats per minute. Complete parts​ (a) through​ (c) below.

a. If 1 adult female is randomly​ selected, find the probability that her pulse rate is less than 79

beats per minute.The probability is

b. If 4 adult females are randomly​ selected, find the probability that they have pulse rates with a mean less than 79

beats per minute.The probability is

Math   Statistics-And-Probability   
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