document.write( "Question 1160579: In a class of 35 students, 11 are seniors, 8 are juniors, 9 are sophomores, and 7 are freshmen. If two students are selected at random from this class of 35 students, find the probability that the first student selected is a junior and the second is a sophomore.[Give your answer to nearest 5 dp] \n" ); document.write( "
Algebra.Com's Answer #783885 by Theo(13342)![]() ![]() You can put this solution on YOUR website! in a class of 35 students....., \n" ); document.write( "11 are seniors, 8 are juniors, 9 are sophomores, 7 are freshmen. \n" ); document.write( "two students are selected at random. \n" ); document.write( "find the probability that the first student selected is a junior and the second student selected ia a sophomore. \n" ); document.write( "the probability that the first student selected is a junior is 8/35. \n" ); document.write( "the probability that the second student selected is a sophomore is 9/34. \n" ); document.write( "the probability that the first student selected is a junior and the secont student selected is a sophomore is 8/35 * 9/34 = 72/1190 which can be simplified to 36/595. \n" ); document.write( "in decimal form, that's equal to .06050 rounded to 5 decimal places. \n" ); document.write( "this is an example of probability without replacement. \n" ); document.write( "the first probbility has a total of 35 students as the denominator. \n" ); document.write( "the second probability has a total of 34 students as the denominator, since one student was drawn from the universe and not replaced.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |