Question

*. suppose that there are 5 dollar bills in a box: three 1 dollar bills, one 5 dollar bill and one 10 dollar bill. you are allowed to pick up two bills at the same time from the box randomly. let x denote the money you get from this game. (a) what's the p.m.f. of x?

Answer 1

There are five dollar bills in a box of three dollar bills, one dollar bill, and one ten dollar note. You can pick up two bills at random from the box at random. x means money you got from this game.

The pmf of x is 4