93 points if you answer.

jack wants to select a marble from a bag that contains 20 green marbles, 15 pink marbles, 10 yellow marbles, and 5 blue marbles. which simulation can he use to represent the probability of selecting a particular marble?

(a rolling a six-sided die
(b placing a slip of paper facedown for each color group: green, pink, yellow, and blue
(c spinning a spinner divided into four equal sections
(d using a random number generator with the numbers 1 to 10