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A normal population has mean= 10 and standard deviation= 6. A normal population has mean u= 10 and standard deviation a=6. (a) What proportion of

A normal population has mean= 10 and standard deviation= 6.

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A normal population has mean u= 10 and standard deviation a=6. (a) What proportion of the population is less than 21? (b) What is the probability that a randomly chosen value will be greater than 7? Round the answers to four decimal places. The proportion of the population less than 21 is D. The probability that a randomly chosen value will be greater than 7 is D

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