Question

A normal population has mean μ= 34 and standard deviation σ= 10. (a) What proportion of...

A normal population has mean μ= 34 and standard deviation σ= 10.

(a) What proportion of the population is between 10 and 20?

(b) What is the probability that a randomly chosen value will be between 28 and 38?

Round the answers to at least four decimal places

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