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Mathematics, 11.04.2021 15:50 ari20004

There are 15 balls in an urn. 5 red balls, 5 blue balls and 5 white balls. Three balls are taken simultaneously. Let X represent the number of Blue balls. Please Help (Random Variable) ​

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There are 15 balls in an urn. 5 red balls, 5 blue balls and 5 white balls. Three balls are taken sim...
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