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What is the average number of times a drawing must be examined by a client before it is accepted?

What is the average number of times a drawing must be examined by a client before it is accepted?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Based on past experience, an architect has determined the probability mass function for the number of times a drawing must be examined by a client before it is accepted. Let the random variable X= the number of times a drawing must be examined by a client before it is accepted. The distribution of X is shown below. Value of X 2 3 4 5 Probability 0.1 0.2 0.3 0.2 0.2 What is the average number of times a drawing must be examined by a client before it is accepted? (Do not round).
Transcribed Image Text:Based on past experience, an architect has determined the probability mass function for the number of times a drawing must be examined by a client before it is accepted. Let the random variable X= the number of times a drawing must be examined by a client before it is accepted. The distribution of X is shown below. Value of X 2 3 4 5 Probability 0.1 0.2 0.3 0.2 0.2 What is the average number of times a drawing must be examined by a client before it is accepted? (Do not round).
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