Question: (8) X is a Normal random variable where mean is 125 and standard deviation is 30. (a) Find a number k such that P(X k)=0.83.

(8) X is a Normal random variable where mean is 125 and standard deviation is 30.

(a) Find a number k such that P(X

(b) Find a number k such that P(X>k)=0.83.

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