5. The owner of a small convenience store is trying to decide whether to discontinue selling magazines. He suspects that only 5% of the customers buy a magazine and thinks that he might be able to use the display space to sell something more protable. Before making a nal decision he decides that for one day he*ll keep track of the number of customers and whether or not they buy a magazine. {It} points} a} What is the probability that exactly 2 of the first 10 customers buy magazines? Show work. b} What is the probability that at least 5 of his rst 50' customers buy magazines? c] He had 2E0 customers that day. Assuming this day was typical for his store, what would be the mean and standard deviation of the number of customers who buy magazines each day