document.write( "Question 34939: Please help me with my over 200 to do, and confused on some of them. THIS ONE IS SO CONFSUING TO ME! a hard one!!!\r
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document.write( "Solve any way, but show work.\r
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document.write( "There are 15 books on the summer reading list. Three of them are plays, one is poetry, and the rest are novels. what is the probability that you will choose 2 novels and a play in that order if you choose the books a t random? \n" );
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Algebra.Com's Answer #21167 by mbarugel(146)![]() ![]() ![]() You can put this solution on YOUR website! Hello! \n" ); document.write( "First of all, we know that there are 3 plays, 1 poetry and 11 novels (since there are 15 books).\r \n" ); document.write( "\n" ); document.write( "Now, what's the probability of picking a novel in the first place? Since 11 out of the 15 books are novels, this probability is 11/15.\r \n" ); document.write( "\n" ); document.write( "Given that we took the novel, now we have 14 books left, 10 of which are novels. The probability of drawing a novel now is then 10/14.\r \n" ); document.write( "\n" ); document.write( "Finally, after you took the second novel, you're left with 13 books, 3 of which are plays. Therefore, the probability of picking a play in the 3rd place is 3/13.\r \n" ); document.write( "\n" ); document.write( "We conclude that the probability of picking a novel, a novel and a play (in that order) is simply the product of the 3 probabilities:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the probability you're looking for is 0.1208.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I hope this helps! \n" ); document.write( "Get more answers at Online Math Answers.com! \n" ); document.write( " \n" ); document.write( " |