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How Do You Calculate The Odds Of Choosing A Duplicate Value (number, Color, Suit, Etc) From More Then The Minimum Number Of Events WITH Replacement? For Example, What Are The Odds Of Pulling A Pair Of 4's Out Of A Bag Of 9 Tiles Numbered 1-9 If You Make 4 Selections Instead Of Just 2? - Math Discussion

How do you calculate the odds of choosing a duplicate value (number, color, suit, etc) from more then the minimum number of events WITH replacement? For example, what are the odds of pulling a pair of 4's out of a bag of 9 tiles numbered 1-9 if you make 4 selections instead of just 2?