John runs a computer software store . he counted 125 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

1. John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of the 58, only 25 bought something in the store. Estimate the probability that a person who walks by the store will enter the store (put your answer as a fraction).

2. Estimate the probability that a person who walks into the store will buy something (put your answer as a fraction).

3. stimate the probability that a person who walks by the store will come in and buy something (put your answer as a fraction).

4. Estimate the probability that a person who comes into the store will buy nothing (put your answer as a fraction).

5.The complement of an event A is the set of all outcomes in the sample space that are not included in the outcomes of event A. (true/false)

Pleas help. Thanks. This isn't a test. Or a quiz. It's my practice homework. My computer doesnt open the text book. So I'm basically screwed. I just need someone to explain to me what I need to do.

the barter