Find the indicated quantities given that x is a normal

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Find the indicated quantities given that X is a normal random variable with a mean of 30 and a standard deviation of 1.5. (Round your answers to 4 decimal places.)

(a) Find the value of b such that P(X ? b) = 0.8944

(c) Find the values of A and B such that P(A ? X ? B)= 0.8764 if A and B are symmetric about the mean.

Reference no: EM13619926

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