Find the distribution function of the random variable X of Exercise 3.22 and use it to determine

Question:

Find the distribution function of the random variable X of Exercise 3.22 and use it to determine the two probabilities asked for in part (b) of that exercise.

In exercise

The p. d. f. of the random variable X is given by

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...