Four persons independently solve a certain problem correctly with probabilities 1 2 , 3 4…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
Four persons independently solve a certain problem correctly with probabilities \(\frac{1}{2}, \frac{3}{4}, \frac{1}{4}, \frac{1}{8} .\) Then the probability that the problem is solved correctly by at least one of them is
Answer
(C)
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