A certain bag contains 60 balls — 22 white, 18 green, 2 yellow, 15 red, and 3 purple.

A certain bag contains 60 balls — 22 white, 18 green, 2 yellow, 15 red, and 3 purple. If a ball is to be chosen at random, what is the probability that the ball will be neither red nor purple?

Quiz

Answer/Solution

0.7

Steps/Work

According to the stem the ball can be white, green or yellow, so the probability is (white + green + yellow)/(total) = (22 + 18 + 2)/60 = 42/60 = 0.7.
Answer: A.