Suppose the four engines of a commercial aircraft are arranged to operate independently and that the probability of in-flight failure of a single engine is 0.04.
What is the probability of no more than one in-flight failure being observed during a flight?

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uppose the four engines of a commercial aircraft are arranged to operate independently and that the probability of in

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ngine is 0.04.

What is the probability of no more than one in-flight failure being observe