A normal population has mean u = 31 and standard deviationo = 7. (a) What proportion of the population is between 15 and 25? (b) What is the probability that a randomly chosen value will be between 25 and 35? Round the answers to at least four decimal places. Part 1 of 2 The proportion of the population between 15 and 25 is

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A normal population has mean u = 31 and standard deviation o = 7.
(a) What proportion of the population is between 15 and 25?
(b) What is the probability that a randomly chosen value will be between 25 and 35?
plo
Round the answers to at least four decimal places.
Part 1 of 2
The proportion of the population between 15 and 25 is
Transcribed Image Text:A normal population has mean u = 31 and standard deviation o = 7. (a) What proportion of the population is between 15 and 25? (b) What is the probability that a randomly chosen value will be between 25 and 35? plo Round the answers to at least four decimal places. Part 1 of 2 The proportion of the population between 15 and 25 is
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