Question: Let Y be normally distributed with mean = 860 and variance 2 = 576. (a) Find P(Y 900). (b) Find P(Y 825).

Let Y be normally distributed with mean µ = 860 and variance σ2 = 576.

(a) Find P(Y ≤ 900).

(b) Find P(Y ≥ 825).

(c) Find P(840 ≤ Y ≤ 890).

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