The random variable x takes on the values 1, 2, and 3 with probabilities (1 + 3k)

Question:

The random variable x takes on the values 1, 2, and 3 with probabilities (1 + 3k) / 3, (1 + 2k) / 3, and (0.5 + 5k) / 3, respectively.
a) Find the appropriate value of k
b) Find the mean variance of x
c) Find the cumulative function

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...