1. At a vanilla ice cream store, where they serve only the blandest vanilla ice cream known to man, customers arrive on average every 90 seconds. Each customer orders one ice cream cone. What is the probability that the store will sell 53 or more ice cream cones an hour? Please sketch the probabilityr distribution curve and show what portion represents the answer to this problem. No need to sketch it precisely, just show the mean, the key K values involved with this problem and any areas under the probability.f distribution curve you are trying to calculate