Mathematics, 16.02.2022 09:30, shusemann

10. An airline estimates that the probability a randomly selected call to its reservation phone line results in a reservation being made is 0.31. Suppose that 4 calls are randomly selected. 1. What is the probability that all 4 of the calls result in a reservation?
2. What is the probability that at least one of the calls does not result in a reservation?

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10. An airline estimates that the probability a randomly selected call to its reservation phone line...