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Orders arrive at a Web site according to a Poisson process with a mean of 11 per hour. Determine the following:
a) Probability of no orders in five minutes.
Round your answer to three decimal places (e.g. 0.987 ).
P=
b) Probability of 3 or more orders in five minutes.
Round your answer to three decimal places (e.g. 0.987).
P=
c) Length of a time interval such that the probability of no orders in an interval of this length is 0.001 .
Round your answer to two decimal places (e.g. 98.76).
T=
min.
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