6.9 Given the normally distributed variable X with amean of 20 and standard deviation of 2, find(а) Р(X < 16);(b) the value of k such that P(X < k) = 0.4090;(c) the value of k such that P(X > k) = 0.8599;(d) P(17 < X < 22).

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Answered: 6.9 Given the normally distributed…

A First Course in Probability (10th Edition)

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6.9 Given the normally distributed variable X with a mean of 20 and standard deviation of 2, find (а) Р(X < 16); (b) the value of k such that P(X < k) = 0.4090; (c) the value of k such that P(X > k) = 0.8599; (d) P(17 < X < 22).