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| revprev | Admin | Jun 25'24 at 23:52 | +99 | ||
| revcur | Admin | (Created page with "Suppose we have an urn containing 5 yellow balls and 7 green balls. We draw 3 balls, without replacement, from the urn. Find the expected number of yellow balls drawn. '''References''' {{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}}") | Jun 24'24 at 19:31 | +376 |