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Solve it correctly please. I ll rate accordingly. pproximately 28% of the calls to an airline reservation phone line result in a reservation being made.

Solve it correctly please. I ll rate accordingly.

\\pproximately 28% of the calls to an airline reservation phone line result in a reservation being made. (a) Suppose that an operator handles 15 calls. What is the probability that none of the 15 calls result in a reservation? (Give the answer to 3 decimal places.) (b) What assumption did you make to calculate the probability in Part (a)? (9 Calls are dependent. 0 Calls are independent. (c) What is the probability that at least one call results in a reservation being made? (Hint: Use your answer to Part (a). Give the answer to 3 decimal places.)

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