Mathematics, 05.05.2021 21:00 Maryllen
Name:
21. The average number of calls received by a customer service department in a 10-minute period is
4.
a.
b.
What is the probability that between 10:00 and 10:20 the switchboard will receive exactly 8
calls?
What is the probability that between 10:00 and 10:05 the switchboard will receive fewer than
2 calls?
What is the probability that between 10:00 and 10:05 the switchboard will receive more than
3 calls?
C.
Answers: 1
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