Find the variance of the inter accident times

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Reference no: EM131197141

The inter-accident times (times between accidents) for all fatal accidents on scheduled American domestic passenger air flights, 1948-1961, were found to follow an exponential distribution with a mean of approximately 44 days (Pyke, J. Royal Statistical Society (B),27, 1968, p. 426).

a If one of those accidents occurred on July 1, find the probability that another one occurred in that same month.

b Find the variance of the inter accident times.

c What does the information given above suggest about the clumping of airline accidents?

Reference no: EM131197141

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