Question

A glass jar contains 7 red, 3 green, 6 blue, and 9 yellow marbles. If a single marble is chosen at random from the jar, what is the probability of choosing a

(a) red marble?


(b) green marble?


(c) blue marble?

Answer 1

a: .28 or 28% probability

b: .12 or 12% probability

c: .24 or 24% probability

Explanation:

keep in mind that there are 25 marbles so for each color, take that total and divide it by 25. red marbles were 7 out of 25 (7/25) so it is .28 probability or 28% chance. do the same process for the green and blue marbles to get