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October 1, 2014

October 1, 2014

Posted by **Anonymous** on Friday, April 13, 2012 at 12:19am.

"with replacement" from the box (i.e. selected balls are returned to the

box and mixed, before drawing the next ball). Let X be the number of

black balls drawn. What is the distribution of X? What is the probability

that 3 or more black balls are drawn?

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