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Arnold's Trivium
1991 Arnold's Trivium
96
96
Part of
1991 Arnold's Trivium
Problems
(1)
Problem 96
Source:
7/1/2010
Each of
3600
3600
3600
subscribers of a telephone exchange calls it once an hour on average. What is the probability that in a given second
5
5
5
or more calls are received? Estimate the mean interval of time between such seconds
(
i
,
i
+
1
)
(i, i + 1)
(
i
,
i
+
1
)
.
probability