Four persons independently solve a certain problem correctly with probabilities 1/2, 3/4, 1/4, 1/8. Then the probability that the problem is solved correctly by at least one of them is [JEE Adv 2013 P1]

JEE Advanced 2013 Paper 1

Section: Mathematics

Question : 46 of 60

Marks: +1, -0

Four persons independently solve a certain problem correctly with probabilities

. Then the probability that the problem is solved correctly by at least one of them is

[JEE Adv 2013 P1]

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