John Runs a Computer Software Store

Multiple Choice

John runs a computer software store. He counted 124 people who walked by his store in a day, 54 of whom came into the store. Of the 54, only 22 bought something in the store. Estimate the probability that a person who walks into the store will buy something. Round your answer to the nearest hundredth.

A) 0.61
B) 0.41
C) 0.18
D) 0.44
E) none of these choices