The expected value of the number of automobiles sold is, a 5.20

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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The probability distribution for the number of automobiles sold during a day (x) at Bob Iron Motors is as follows.

 

x f(x)
0 0.001
1 0.007
2 0.034
3 0.099
4 0.188
5  
6 0.220
7 0.136
8 0.055
9 0.015
10 0.001

 

21 The expected value of the number of automobiles sold is,
a 5.20        
b 5.31        
c 5.42        
d 5.53        
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