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)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "There are 10 symbols in the word \"STATISTICS\";\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "of them, \"S\" has multiplicity 3;\r\n" ); document.write( "\r\n" ); document.write( " \"T\" has multiplicity 3;\r\n" ); document.write( "\r\n" ); document.write( " \"I\" has multiplicity 2;\r\n" ); document.write( "\r\n" ); document.write( " \"A\" and \"C\" have multiplicity 1.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The number of all permutations of 10 items is 10! = 10*9*8*7*6*5*4*3*2*1.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The number of all distinguishable arrangements of letters is 10! / (3! * 3! * 2! * 2!).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The factorials in the denominator serve to account for repeating letters.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "----------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lesson\r \n" ); document.write( "\n" ); document.write( " - Arranging elements of sets containing indistinguishable elements \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic \"Combinatorics: Combinations and permutations\". \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "into your archive and use when it is needed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |