Question

A normal population has mean μ=40 and standard deviation σ =9. (a) What proportion of the...

A normal population has mean μ=40 and standard deviation σ =9.

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

(b) What is the probability that a randomly chosen value will be between 35 and 45?

Round the answers to at least four decimal places

Homework Answers

Answer #1

Answer:-

The probability that randomly choosen value between 35 and 45 is 0.4246

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