# Question

Let the random variable X follow a normal distribution with m = 50 and s2 = 64.

a. Find the probability that X is greater than 60.

b. Find the probability that X is greater than 35 and less than 62.

c. Find the probability that X is less than 55.

d. The probability is 0.2 that X is greater than what number?

e. The probability is 0.05 that X is in the symmetric interval about the mean between which two numbers?

a. Find the probability that X is greater than 60.

b. Find the probability that X is greater than 35 and less than 62.

c. Find the probability that X is less than 55.

d. The probability is 0.2 that X is greater than what number?

e. The probability is 0.05 that X is in the symmetric interval about the mean between which two numbers?

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