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JEE Mains 28-July-2022 Shift 2 Solved Paper

Section: Mathematics
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Question : 29 of 90
 
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A bag contains 4 white and 6 black balls. Three balls are drawn at random from the bag. Let X be the number of white balls, among the drawn balls. If σ2 is the variance of X, then 100σ2 is equal to_______.
[28-Jul-2022-Shift-2]
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