Q. 3 A service time (in minutes) of post office is exponentially distributed with λ = 0.2. (a) Suppose that no one is there, and that you get the service immediately. Find the probability that it takes more than 5 minutes to complete the business. (b) Suppose that someone else is in service ahead of you, and that you are next in line. Find the probability that you wait more than 5 minutes.
Q. 3 A service time (in minutes) of post office is exponentially distributed with λ = 0.2. (a) Suppose that no one is there, and that you get the service immediately. Find the probability that it takes more than 5 minutes to complete the business. (b) Suppose that someone else is in service ahead of you, and that you are next in line. Find the probability that you wait more than 5 minutes.
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Q. 3 A service time (in minutes) of post office is exponentially distributed with 2 = 0.2.
(a) Suppose that no one is there, and that you get the service immediately. Find the
probability that it takes more than 5 minutes to complete the business.
(b) Suppose that someone else is in service ahead of you, and that you are next in line. Find
the probability that you wait more than 5 minutes.
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