The repair time (in hours) for a certain machine is a random variable with probability density function

Question:

a. What is the probability that the repair time is less than 2 hours?
b. What is the probability that the repair time is between 1.5 and 3 hours?
c. Find the mean repair time.
d. Find the cumulative distribution function of the repair times.

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...