(15 points) 1. The owner of a local bakery keeps track of the number of birthday cakes sold each day over the course of several weeks. Based on the data, she creates the following probability distribution for the number of birthday cakes sold each day. discrete x = Number of birthday 5 7 cakes sold Probability of x = P(x) 0.64 0.20 0.10 0.03 The prob a) Based on the probability distribution, what is the probability that 9 birthday cakes are sold in a must day? tota 1 b) Construct the probability histogram for the number of birthday cakes sold each day