Question: A normal population has mean= 61 and standard deviation= 20. A normal population has mean u= 61 and standard deviation a=20. (a) What proportion of

A normal population has mean= 61 and standard deviation= 20.

A normal population has mean u= 61 and standard deviation a=20. (a) What proportion of the population is greater than 108 ? (b) What is the probability that a randomly chosen value will be less than 81? Round the answers to four decimal places. The proportion of the population greater than 108 is D. The probability that a randomly chosen value will be less than 81 is D

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