document.write( "Question 1146903: How many distinct permutations are there of the letters in the worst \"STATISTICS\" \n" ); document.write( "
Algebra.Com's Answer #768188 by ikleyn(52781)\"\" \"About 
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document.write( "There are 10 symbols in the word \"STATISTICS\";\r\n" );
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document.write( "of them,  \"S\" has multiplicity 3;\r\n" );
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document.write( "          \"T\" has multiplicity 3;\r\n" );
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document.write( "          \"I\" has multiplicity 2;\r\n" );
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document.write( "          \"A\" and \"C\" have multiplicity 1.\r\n" );
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document.write( "The number of all permutations of 10 items is  10! = 10*9*8*7*6*5*4*3*2*1.\r\n" );
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document.write( "The number of all distinguishable arrangements of letters is  10! / (3! * 3! * 2! * 2!).\r\n" );
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document.write( "The factorials in the denominator serve to account for repeating letters.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Arranging elements of sets containing indistinguishable elements \r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic  \"Combinatorics: Combinations and permutations\". \r
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\n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-II
\n" ); document.write( "https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "into your archive and use when it is needed.\r
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