Question: Let the random variable X follow a normal distribution with m = 80 and s2 = 100. a. Find the probability that X is greater

Let the random variable X follow a normal distribution with m = 80 and s2 = 100.

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

b. Find the probability that X is greater than 72 and less than 82.

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

d. The probability is 0.1 that X is greater than what number?

e. The probability is 0.6826 that X is in the symmetric interval about the mean between which two numbers?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!