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Exhibit 5-11
A local bottling company has determined the number of machine breakdowns per month and their respective probabilities as shown below:

 

Number of
Breakdowns


Probability

0

0.12

1

0.38

2

0.25

3

0.18

4

0.07


Refer to Exhibit 5-11. The expected number of machine breakdowns per month is



▸

2



▸

1.70



▸

one, since it has the highest probability



▸

at least 4

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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