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One ball is picked up randomly from a bag containing 8 yellow,7 blue and 6 black balls , what is the probability that it is neither yellow nor black ?
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One ball is picked up randomly from a bag...
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Nov 13, 2021
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JackTerrance
One ball is picked up randomly from a bag containing 8 yellow,7 blue and 6 black balls , what is the probability that it is neither yellow nor black ? A. `3//4` B. `4//7` C. `2//9` D. `1//3` Select the correct answer from above options
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Nov 13, 2021
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JackTerrance
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Correct Answer - D Total no. of balls `=8+7+6=21` Let ,E be the event where the ball can be selected which is neither yellow nor black Number of event where the ball can be selected which is neither yellow nor black = 7 `p( E) = 7//21 = 1//3`
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