[理工] [機率]-機率
A life insurance company issues standard,preferred,and ultra-preferred
policies.Of the company's policyholders of a certain age ,60% are standard
with a probability of 0.01 of dying in the next year ,30% preferred with a
probability of 0.08 of dying in the next year, and 10% are ultra-preferred
with a probability of 0.07 of dying in the next year .A policyholder of
that age dies in the next year .What are the conditional probabilities
of the deceased being standard,preferred,and ultra-preferred ?
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