Four person independently solve a certain problem correctly with probabilities 21,43,41,81˙Then the probability that he problem is solve correctly by at least one of them is256235b. 25621c. 2563d. 256253

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Four person independently solve a certain problem correctly wi

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

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Four person independently solve a certain problem correctly with probabilities

\frac{1}{2}, \frac{3}{4}, \frac{1}{4}, \frac{1}{8} ˙

Then the probability that he problem is solve correctly by at least one of them is

\frac{235}{256}

\frac{21}{256}

\frac{3}{256}

\frac{253}{256}

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Question Text	Four person independently solve a certain problem correctly with probabilities $\frac{1}{2}, \frac{3}{4}, \frac{1}{4}, \frac{1}{8} ˙$ Then the probability that he problem is solve correctly by at least one of them is $\frac{235}{256}$ b. $\frac{21}{256}$ c. $\frac{3}{256}$ d. $\frac{253}{256}$
Answer Type	Video solution: 1
Upvotes	150