Four persons independently solve a certain problem correctly with proabilities `1/2,3/4,1/4,1/8.` Then the probability that the problem is solved correctly by at least one of them is

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 atleast one of them is :

Four person independently solve a certain problem correctly with probabilities 1/2,3/4,1/4,1/8dot Then the probability that he problem is solve correctly by at least one of them is

Four person independently solve a certain problem correctly with probabilities 1/2,3/4,1/4,1/8dot Then the probability that he problem is solve correctly by at least one of them is

Four person independently solve a certain problem correctly with probabilities 1/2,3/4,1/4,1/8dot Then the probability that he problem is solve correctly by at least one of them is (235)/(256) b. (21)/(256) c. 3/(256) d. (253)/(256)

Four person independently solve a certain problem correctly with probabilities 1/2,3/4,1/4,1/8dot Then the probability that he problem is solve correctly by at least one of them is (235)/(256) b. (21)/(256) c. 3/(256) d. (253)/(256)

Four persons independently solve a certain problem correctly with probabilities, 1/2,3/4,1/4,1/8 Then the probability that problem is solved correctly by at least one of them is-

Four person independently solve a certain problem correctly with probabilities (1)/(2),(3)/(4),(1)/(4),(1)/(8) .Then the probability that he problem is solve correctly by at least one of them is (235)/(256) b.(21)/(256) c.(3)/(256) d.(253)/(256)