A certain bag contains 100 balls — 20 white, 30 green, 10 yellow, 37 red, and 3 purple.

A certain bag contains 100 balls — 20 white, 30 green, 10 yellow, 37 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

0.6

Steps/Work

According to the stem the ball can be white, green or yellow, so the probability is (white + green + yellow)/(total) = (20 + 30 + 10)/100 = 60/100 = 0.6.
Answer is C