2. Suppose that a committee of 3 people is going to be randomly chosen from a group of 10 men and 7 women. (a) How many of the possible committees contain 2 men and 1 woman?1. How many ways are there of selecting (or "choosing") 3 sushi rolls from a tray of 12 different sushi rolls?(b) How many of the possible committees contain 3 men (and {1 women} or 3 women (and II] men)