A basketball player makes 75% of his free-throw attempts. Design a simulation to predict how many free throws he will make if he attempts 20 in a game.

choices:
A-Shoot a basketball 20 times
B-Flip a coin 20 times. Heads you make it, Tails you don't.
C-Spin a spinner 20 times that has three 3 blue sections and 1 red