vice desk with 1 worker is able to process an average of 9 customer inquiries per hour. An average of 6 customers arrive for help at the desk each hour. c) What is the average time required to serve a customer (in minutes)? d) What is the probab

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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Question 2) Waiting Line Analysis

 

A customer service desk with 1 worker is able to process an average of 9 customer inquiries per hour. An average of 6 customers arrive for help at the desk each hour.

c) What is the average time required to serve a customer (in minutes)?

d) What is the probability that more than 2 customers will arrive in the next hour?

 

Hint: P(X > 2) = P(X = 3) + P(X = 4) + …+ P(X = 0).
Recall that E=0 P(X = k) = 1.0
Therefore P(X > 2) = 1.0 – Eo P(X = k)
...
k%3D0
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Transcribed Image Text:Hint: P(X > 2) = P(X = 3) + P(X = 4) + …+ P(X = 0). Recall that E=0 P(X = k) = 1.0 Therefore P(X > 2) = 1.0 – Eo P(X = k) ... k%3D0 -
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