Question

On the average, there is one new customer calling in to a call
center every 20 minutes. Assume the

number of calls follows the Poisson process.

(a) What is the probability that in the next 40 minutes, exactly 3
new customers will call?

(b) What is the probability that there are no calls in the next
hour?

Answer #1

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A customer support center for a computer manufacturer receives
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b. What is the probability that 3 or more calls will arrive
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c. What is the probability that 3 calls will arrive during the
next ten? minutes?
d. What is the probability that no more than 2 calls will arrive
during the next ten? minutes?

2. One software developer has established a toll-free
support hotline for the customer to call when they
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probability that on a particular workday, the hotline will
receive
a)at least 1 calls per
hour?
b) seven calls per hour?
c) exactly two calls per hour?

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What is the mean (average) time in hours that a customer spends
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If a phone call is received once every 10 minutes on average,
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Customers of a computer manufacturer call customer service at an
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0.6691 and 0.9320 are incorrect!

Q1.(15) At one call center, assume the probability of receiving
one phone call in a given time period is the same, and the numbers
of phone calls in one time period is independent from others. It is
known that the average number of phone calls in any one hour is 10.
One hour period is randomly selected.
1.(5) Find the probability that exactly 11 phone calls will be
received.
2.(5) Find the probability that at most 8 phone calls will...

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one phone call in a given time period is the same, and the numbers
of phone calls in one time period is independent from others. It is
known that the average number of phone calls in any one hour is 10.
One hour period is randomly selected.
1.(5) Find the probability that exactly 11 phone calls will be
received.
2.(5) Find the probability that at most 8 phone calls will...

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for a manufacturer, but 0.09 of these calls are warranty claims.
Assume that all calls are independent and that the probability of
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QUESTION 14
Customers arrive at a bank according to a Poisson process having
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