Three people in an office decide to enter a marathon race. The respective probabilities that they will
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Three people in an office decide to enter a marathon race. The respective probabilities that they will complete the marathon are 0.9, 0.7 and 0.6. Assuming that their performances are independent, find the probability that
(a) they all complete the marathon,
(b) at least two complete the marathon.
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Related Book For 
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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