Solution) The following table contains the probability distribution for X = the number of traffic accidents re


Question: The following table contains the probability distribution for X = the number of traffic accidents reported in a day in Corvallis, Oregon.

X 0 1 2 3 4 5
P(X) 0.10 0.20 0.45 0.15 0.05 0.05

a) What is the probability of at least one accident reported in a day in Corvallis, Oregon?

b) What is the expected value of the number of accidents?

c) What is the variance of the number of accidents?

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