John runs a computer software store. Yesterday he counted 139people who walked by the store, 62 of whom came into the store. Ofthe 62, only 22 bought something in the store.
(a) Estimate the probability that a person who walks by thestore will enter the store. (Round your answer to two decimalplaces.)
(b) Estimate the probability that a person who walks into the storewill buy something. (Round your answer to two decimalplaces.)
(c) Estimate the probability that a person who walks by the storewill come in and buy something. (Round your answer to twodecimal places.)
(d) Estimate the probability that a person who comes into the storewill buy nothing. (Round your answer to two decimal places.)
