document.write( "Question 601243:  If Carla and Hannah are the 1st two winners to choose prizes from a treasure box, what is the probability that they both will pick plastic spiders?  The box contains 21 stickers, 25 spiders, 3 key rings, and one $20 bill for a total of 50 prizes.
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document.write( "I think it's P(A X B) = Carla draws 1st which = 25/50 or 1/2
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document.write( "                        Hannah draws 2nd which = 25/49\r
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document.write( "answer = 25/98 \n" );
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| Algebra.Com's Answer #379656 by jim_thompson5910(35256)      You can put this solution on YOUR website! P(Both pick spiders) = P(Carla picks spider AND Hannah picks spider)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(Both pick spiders) = P(Carla picks spider)*P(Hannah picks spider)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(Both pick spiders) = (25/50)*(24/49)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Keep in mind that one person chooses a prize at a time. Once they've chosen a spider, this decreases the count of number of spiders. This is of course assuming that the prizes are NOT replaced.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(Both pick spiders) = (1/2)*(24/49)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(Both pick spiders) = 24/98\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(Both pick spiders) = 12/49 \n" ); document.write( " |