The following table contains the probability distribution for the number of traffic accidents daily in a small

Question:

The following table contains the probability distribution for the number of traffic accidents daily in a small town:

Number of Accidents Р(Х — х) Daily (X) 0.10 0.20 2 0.45 3 0.15 4 0.05 5 0.05

a. Compute the mean number of accidents per day.

b. Compute the standard deviation.

c. What is the probability that there will be at least 2 accidents on a given day?

Distribution
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