John runs a computer software store. Yesterday he counted 121 people who walked by the store, 54 of whom came into the sto Of the 54, only 27 bought something in the store. (Round your answers to two decimal places.) (a) Estimate the probability that a person who walks by the store will enter the store. H (b) Estimate the probability that a person who walks into the store will buy something. H (1:) Estimate the probability that a person who walks by the store will come in and buy something. H (:1) Estimate the probability that a person who comes into the store will buy nothing. H