The number of vehicle thefts in the parking lot of a shopping mall varies from month to month. Assume that the number of thefts(x) at the shopping mall has the following probability distribution.

The number of vehicle thefts in the parking lot of a shopping mall varies from month to month. Assume that the number of thefts(x) at the shopping mall has the following probability distribution.

x | f(x)

0 .60

1 .25

2 .15

3 .05


The mean number of thefts per month is:


a. 6

b. .175

c. 1.5

d. .70


Answer: d. .70


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