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The number of vehicle thefts in the parking lot of a shopping mall varies from month...

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.

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The mean number of thefts per month is:

a. .70.
b. 1.5.
c. .175.
d. 6.
math   Statistics-And-Probability   
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Answer #1

x P(x)xP(x) 0.6 0.25 0.3 0.15 ΣΧΡ(x) 1 0.25 0.15 0.05 Total ΣΡ(x) 1.05 = 0.7 Expected Value or Mean = μ = E(x)-Σ XP(x) 0.7 Ex

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