306. An insurance company sells 40% of its renters policies to home renters and the remaining 60% to apartment renters. Among home renters, the time from policy purchase until
policy cancellation has an exponential distribution with mean 4 years, and among
apartment renters, it has an exponential distribution with mean 2 years.
Calculate the probability that the policyholder is a home renter, given that a renter still
has a policy one year after purchase.
(A) 0.08
(B) 0.27
(C) 0.46
(D) 0.56
(E) 0.66
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