Question: Suppose that a helicopter engine will stop working, when in flight, with probability 1-p independently from engine to engine; suppose that the helicopter will make
Suppose that a helicopter engine will stop working, when in flight, with probability 1-p independently from engine to engine; suppose that the helicopter will make a successful flight if at least 50 percent of its engines remain operative.
What is the probability that a four-engine one makes a successful flight?
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