A sales firm receives an average of three calls per hour on its toll-free number. For any given hour, find the probability that it will receive at least three calls. Use the Poisson distribution.

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Keshav Vishwkarma asked Apr 16, 2022

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A sales firm receives an average of three calls per hour on its toll-free number. For any given hour, find the probability that it will receive at least three calls. Use the Poisson distribution.

Mathematics
college

Keshav Vishwkarma asked Apr 16, 2022

by Keshav Vishwkarma

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Answer:

At most 3 calls: 64.7%

At least 3 calls: 57.7%

5 or more calls: 18.5%

Explanation:

Joe Doliner answered Apr 23, 2022

by Joe Doliner

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