9) Assume that the random variable X is normally distributed, with mean = 90 and standard deviation o = 12.

9) Assume that the random variable X is normally distributed, with mean = 90 and standard deviation o = 12. Compute the probability P(57 < X < 105). A) 0.7888 B) 0.8944 C) 0.8914 D) 0.8819‚Äč

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