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frez [133]
2 years ago
15

Approximately 40% of the calls to an airline reservation phone line result in a reservation being made. (round to three decimal

places) Suppose an operator handles 10 calls. What is the probability that none of the 10 calls result in a reservation?
What is the probability that at least one call results in a reservation being made?
Mathematics
1 answer:
IRISSAK [1]2 years ago
3 0

Answer:

The probability that none of the 10 calls result in a reservation is 0.60%.  In turn, the probability that at least one call results in a reservation being made is 99.40%.

Step-by-step explanation:

Since approximately 40% of the calls to an airline reservation phone line result in a reservation being made, supposing an operator handles 10 calls, to determine what is the probability that none of the 10 calls result in a reservation, and what is the probability that at least one call results in a reservation being made, the following calculations must be performed:

0.6 ^ 10 = X

0.006 = X

0.006 x 100 = 0.60%

Therefore, the probability that none of the 10 calls result in a reservation is 0.60%.

100 - 0.60 = 99.40

In turn, the probability that at least one call results in a reservation being made is 99.40%.

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