Answer:
P(not yellow)= 3/4
Explanation:
5 green m&m's, 4 blue m&m's, and 3 yellow m&m's
so there is a total of (5 + 4 + 3) = 12 m&m's
of those 12 m&m's, there are (5 + 4) = 9 m&m's that ARE NOT yellow
so the probability of picking an m&m that is not yellow is : 9/12 which reduces to 3/4 <===