Question: The probability that machine A will be performing a useful function in five years time is 0.25, while the probability that machine B will

The probability that machine A will be performing a useful function in five years time is 0.25, while the probability that machine B will still be operating usefully at the end of the same period is 0.33. Find the probability that neither will be operating. 0.5025 0.3220 0.5970 0.0839 0.4892
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