Question

There are four machines and it is known that exactly two of them are faulty. They are tested one by one in a random order till both the faulty machines are identified. The probability that only two tests are required is

Answer 1

hii mate

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here is ur answer ^↓^

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There are four machines and it is known that exactly two of them are faulty. They are tested one by one in a random order till both the faulty machines are identified. The probability that only two tests are required is
2/4
1/2

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⭐hope it helps uh⭐

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