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The probability of hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probabi9lity that one and only one of them will hit the target when they fire simultaneously.
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Let , be the number of red and black balls, respectively, in box I. Let ,be the number one red and b of red and black balls, respectively, in box II. One of the two boxes, box I and box II, was selected at random and a ball was drawn randomly out of this box. The ball was found to be red. If the probablity that this red ball was drawn from box II is then the correct option(s) with the possible values of , is(are) Question 3
Two players , and , are playing the final of a chase championship, which consists of a series of match Probability of , winning a match is 2/3 and that of is 1/3. The winner will be the one who is ahead by 2 games as compared to the other player and wins at least 6 games. Now, if the player , wins the first four matches find the probability of , wining the championship. Question Text | The probability of hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probabi9lity that one and only one of them will hit the target when they fire simultaneously. |