John runs a computer software store. Yesterday he counted 127 people whwo walked by his store, 58 of whom came into the store. OF the 58, only 25 bought something in the store.

Question

John runs a computer software store. Yesterday he counted 127 people whwo walked by his store, 58 of whom came into the store. OF the 58, only 25 bought something in the store. 
A. What is probability that a person who walks by the store will enter the store?
B. What is the probability that a person who walks by the store will buy something?
C. What is the probability that a person who comes into the store will buy nothing?

PsyDAG · Accepted Answer

A. 58/127 B. 25/127 C. (58-25)/58

Brand Walker · Answer

58/127