document.write( "Question 1202678: Cathy owns a collection of 25 ballpoint pens of which 6 are pilot. If 2 ballpoints are selected at random, find the probability that both are made by pilot. \n" ); document.write( "
Algebra.Com's Answer #837668 by Theo(13342)![]() ![]() You can put this solution on YOUR website! there are 6 pilot pens out of a total of 25. \n" ); document.write( "the proability of getting a pilot on the first draw is 6/25. \n" ); document.write( "after you draw the pilot, there are 5 pilots left out of a total of 24. \n" ); document.write( "the probability of getting a pilot on the second draw is 5/24. \n" ); document.write( "the probability of getting a pilot on the first draw and a pilot on the second dra w is 6/25 * 5/24 = 30/600 = 3/60 = 1/20. \n" ); document.write( " \n" ); document.write( " |