question archive (a) The sales department of ABC Corp
Subject:FinancePrice:2.86 Bought3
(a) The sales department of ABC Corp. has 3 fax machines. The toner in each machine needs to be changed after about 5 hours of use. There is one clerk who is responsible for the fax machine maintenance. It takes her 15 minutes to replace the toner. What is the probability that the clerk is not busy replacing the toner? [5m)
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