Question

A busy intersection in the state of Delaware averages a traffic accident every 32 days. Assume the time between accidents follows an exponential distribution.
a. What is the probability that the next accident will occur within the next 10 days?
b. What is the probability that the next accident will occur between the next 15 and 25 days?
c. What is the probability that the next accident will occur after the next 40 days?
d. Use Excel to verify the results from parts a and b.
e. What is the standard deviation for this distribution?


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  • CreatedJuly 17, 2015
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