math
posted by James .
Bob sets two alarm clocks (batterypowered) to be sure he arises for his Monday 8:00 A.M. accounting
exam. There is a 75 percent chance that either clock will wake Bob. (a) What is the probability
that Bob will oversleep? (b) If Bob had three clocks, would he have a 99 percent chance of
waking up?

no
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