Probability Jun 21 | Ashley from Philadelphia, PA | 1 Answer | 0 Votes Mark favorite Subscribe Comment
There are 11 letters in "probability", and there are 2 b's and 2 i's in "probability". The number of arrangements is 11!/(2!2!) = 9,979,200 Jun 21 | Kris V. Comment Comments What does ! Mean Jun 21 | Ashley from Philadelphia, PA ! is a factorial symbol n! = 1•2•3 ...•n 1! =1 2! = 1•2 = 2 11! = 1•2...•10•11= Jun 21 | Kris V. Comment
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