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Mathematics, 18.01.2020 05:31, batmanmarie2004
Suppose a representative at a credit card customer service center receives a phone call every 5 minutes on average.
(a) find the probability that she receives 3 phone calls in 20 minutes?
(b) find the probability that she receives less than 3 phone calls in 20 minutes?
(c) find the expected number of phone calls she receives in 20 minutes?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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