Difference between revisions of "2006 SMT/General Problems/Problem 7"
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Latest revision as of 22:17, 15 October 2013
Problem
An aircraft is equipped with three engines that operate independently. The probability of an engine failure is . What is the probability of a successful flight if only one engine is needed for the successful operation of the aircraft?
Solution
The chances of all three engines failing is . Therefore, the probability of a successful flight is