Question: Suppose X is a normal random variable with = 400 and = 63 . Find the values of the following probabilities. (Round your answers to

SupposeXis a normal random variable with=400and=63. Find the values of the following probabilities. (Round your answers to four decimal places.)(a)P(X<550)

(b)P(X>300)

(c)P(200<X<500)

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