Let and be independent positive random variables. Let=/.

In what follows, all occurrences of,, are assumed to be positive numbers.

Suppose that and are discrete, with known PMFs, and. Then,

| (|)= (?).

1. What is the argument in the place of the question mark?

2) Suppose thatand are continuous, with known PDFs, and.

Provide a formula, analogous to the one in part (a), for|(|) in terms of. That is, find andin the formula below.

| (|)= ().

A=

B=