Find out the mean number of breakdowns per week for this machine.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Example 9.2 Suppose we are given the following data relating to breakdown of a machine in a certain
company during a given week, wherein x represents the number of breakdowns of a machine and P(x)
represents the probability value of x.
Table 9.2 Number and Probability of Breakdowns
0
1
2
3
4
P(x)
0.12
0.20
0.25
0.30
0.13
Find out the mean number of breakdowns per week for this machine.
Transcribed Image Text:Example 9.2 Suppose we are given the following data relating to breakdown of a machine in a certain company during a given week, wherein x represents the number of breakdowns of a machine and P(x) represents the probability value of x. Table 9.2 Number and Probability of Breakdowns 0 1 2 3 4 P(x) 0.12 0.20 0.25 0.30 0.13 Find out the mean number of breakdowns per week for this machine.
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