Let the random variable X follow a normal distribution with = 80 and 2 = 100.

Question:

Let the random variable X follow a normal with μ = 80 and σ2 = 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? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...