document.write( "Question 1043785: in a class of 19 mathematicians and 13 chemists two learners are randomly selected one after the other what is the probability that the selected learners are mathematicians?\r
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document.write( "help me this one pliz. \n" );
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Algebra.Com's Answer #658951 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! in a class of 19 mathematicians and 13 chemists two learners are randomly selected one after the other what is the probability that the selected learners are mathematicians? \n" ); document.write( "--------- \n" ); document.write( "19 + 13 = 32 \n" ); document.write( "The 1st pick is 19/32. \n" ); document.write( "The 2nd is 18/31. \n" ); document.write( "--- \n" ); document.write( "(19/32)*(18/31) = 171/496 \n" ); document.write( " |