Find the probabilities that the value of a random variable will exceed 4 if it has a

Question:

Find the probabilities that the value of a random variable will exceed 4 if it has a gamma with
(a) α = 2 and β = 3;
(b) α = 3 and β = 4.
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...