# Question

Suppose that there is an 80% probability that a caller will be directly connected when he or she calls a computer help line and a 20% probability the caller will be forced to wait while listening to a recorded message. Assume that the caller experience with each call is independent if the calls are placed on different days. What is the probability that a caller making three calls (on different days) will be directly connected each time? What is the probability that a caller making three calls (on different days) will have to wait each time?

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