Exam P:Probability機率題庫下載題庫

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198. At a mortgage company, 60% of calls are answered by an attendant. The remaining 40% of callers leave their phone numbers. Of these 40%, 75% receive a return phone call the same day. The remaining 25% receive a return call the next day.

Of those who initially spoke to an attendant, 80% will apply for a mortgage. Of those who received a return call the same day, 60% will apply. Of those who received a return call the next day, 40% will apply.

Calculate the probability that a person initially spoke to an attendant, given that he or she applied for a mortgage.
(A) 0.06
(B) 0.26
(C) 0.48
(D) 0.60
(E) 0.69


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198. At a mortgage company, 60% of calls..-阿摩線上測驗