In Exercise 3.107 on page 108, X is the amount of money (in dollars) that a salesperson

Question:

In Exercise 3.107 on page 108, X is the amount of money (in dollars) that a salesperson spends on gasoline and Y is the amount of money for which he or she is reimbursed. Use the joint probability density given in that exercise and the function technique to find the probability density of the random variable Z = X – Y, the amount of money for which he or she is not reimbursed.
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...