Based on Past Experience, the Manager of the VideoRama Store

Essay

Based on past experience, the manager of the VideoRama Store has compiled the following table, which gives the probabilities that a customer who enters the VideoRama Store will buy 0, 1, 2, 3, or 4 videocassettes. How many videocassettes can a customer entering this store be expected to buy? Give your answer to two decimal places, if necessary. E = __________