A bag contains 4 white and 6 black balls. Three balls are drawn at random from the bag. Let X
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A bag contains 4 white
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
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در تاریخ 1402/10/03 منتشر شده
است.
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