Question: Referring to Exercise 5.27, find the mean and standard deviation of the number of customers. In Exercise 5.27 X f(x) 0.........................................05 1........................................ .20 2........................................ .30

Referring to Exercise 5.27, find the mean and standard deviation of the number of customers.
In Exercise 5.27
X f(x)
0.........................................05
1........................................ .20
2........................................ .30
3........................................ .25
4........................................ .15
5........................................ .05

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