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A sales firm receives an average of four calls per hour on its toll-free number. For any given hour, find the probability that it will receive exactly eight calls
14 years ago

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MathGuru
Try the Poisson Distribution.

Poisson distribution (m = mean):
P(x) = e^(-m) m^x / x!

Values:
x = 8
m = 4

Substitute and calculate.
14 years ago

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