
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Question
Q14
Ans :
a)0.0025;
b)0.8488;
c)0.9797;
d)0.1991

Transcribed Image Text:14. The average number of cars which stop at a petrol station is 36 per hour. By assuming that the number
of cars which stop at the petrol station follows a Poisson distribution, find the probability that
a. No cars stop at the petrol station in an interval of 10 minutes.
b. More than 3 cars stop at the petrol station in an interval of 10 minutes.
c. More than 5 cars stop at the petrol station in an interval of 20 minutes.
d. Less than 2 cars stop at the petrol station in an interval of 5 minutes.
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