Question: Approximately 30 of the calls to an airline reservation phone

Approximately 30% of the calls to an airline reservation phone line result in a reservation being made.
a. Suppose that an operator handles 10 calls. What is the probability that none of the 10 calls results in a reservation?
b. What assumption did you make in order to calculate the probability in Part (a)?
c. What is the probability that at least one call results in a reservation being made?

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  • CreatedSeptember 19, 2015
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