A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random,
What is the probability that it is not blue?
A)1/11
B)11/16
C)1/5
D)5/16

Question

Quizplus · Accepted Answer

The total number of marbles is 5 (blue) + 8 (green) + 3 (yellow) = 16. The probability of not selecting a blue marble is the sum of the probabilities of selecting a green or a yellow marble, which is (8 + 3) / 16 = 11 / 16.

A Box Contains Five Blue, Eight Green, and Three Yellow