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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. Then the probability that only two tests are needed is(1998 - 2 Marks)
  • a)
    1/3
  • b)
    1/6
  • c)
    1/2
  • d)
    1/4
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
There are four machines and it is known that exactly two of them are f...
The probability that only two tests are needed = (probability that the second machine tested is faulty given the first machine tested is faulty) =
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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. Then the probability that only two tests are needed is(1998 - 2 Marks)a)1/3b)1/6c)1/2d)1/4Correct answer is option 'B'. Can you explain this 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. Then the probability that only two tests are needed is(1998 - 2 Marks)a)1/3b)1/6c)1/2d)1/4Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about 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. Then the probability that only two tests are needed is(1998 - 2 Marks)a)1/3b)1/6c)1/2d)1/4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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. Then the probability that only two tests are needed is(1998 - 2 Marks)a)1/3b)1/6c)1/2d)1/4Correct answer is option 'B'. Can you explain this answer?.
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