document.write( "Question 1163418: An integer is chosen at random from first 60 positive integers. Find the probability that
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document.write( "the chosen integer is divisible either by 6 or by 10 \n" );
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Algebra.Com's Answer #787498 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "There are 60/6 = 10 multiples of 6 in the set,\r\n" ); document.write( "\r\n" ); document.write( " and 60/10 = 6 multiples of 10.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Of these multiples, 30 and 60 are multiples of both 6 and 10.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It means that the set {multiples of 6 OR multiples of 10 from 1 to 60} contains 10 + 6 - 2 = 14 numbers.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the probability under the problem's question is P =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |