Question: Let y be a random variable having a normal distribution with a mean equal to 250 and a standard deviation equal to 50. Find the

Let y be a random variable having a normal with a mean equal to 250 and a standard deviation equal to 50. Find the following probabilities:
a. P(y > 250)
b. P(y > 150)
c. P(150 < y < 350)
d. Find k such that P(250 –k <, y <, 250 + k) = .60 Basic

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