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Question 76

For a student to qualify, he must pass at least two out of three exams. The probability that he will pass the first exam is p. If he fails in one of the exams, then the probability of his passing in the next exam is ., otherwise it remains the same. Then the probability that he will qualify is


a) 2p2 – p

b) 2p2 – 2p

c) 2p2 – p3

d) None of these

Your Answer

ABCD   CLEAR