Question: A normal population has mean = 36 and standard deviation = 7 . (a) What proportion of the population is between 20 and 30 ?

A normal population has mean = 36 and standard deviation = 7

.

(a) What proportion of the population is between 20 and 30 ?

(b) What is the probability that a randomly chosen value will be between 30 and 40 ?

Round the answers to at least four decimal places.

Part 1 of 2

The proportion of the population between 20 and 30 is ?

Part 2 of 2

The probability that a randomly chosen value will be between 30 and 40 is ?

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