document.write( "Question 999874: 5.) Bella has 7 green beads, 10 yellow beads and 3 white beads in a pouch. Two beads are drawn without replacement from the pouch. What is the probability that both of the beads are yellow? \n" ); document.write( "
Algebra.Com's Answer #617441 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "5.) Bella has 7 green beads, 10 yellow beads and 3 white beads in a pouch. Two beads are drawn without replacement from the pouch. What is the probability that both of the beads are yellow?
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\n" ); document.write( "\n" ); document.write( "7 + 10 + 3 = 20.\r
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\n" ); document.write( "\n" ); document.write( "The full space of events consists of combinations of  20  things taken  2  at a time;  i.e.  \"C%5B20%5D%5E2\"  combinations.\r
\n" ); document.write( "\n" ); document.write( "Of them two yellow beads you can choose by  \"C%5B10%5D%5E2\" ways.\r
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\n" ); document.write( "\n" ); document.write( "Hence,  the probability is\r
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\n" ); document.write( "\n" ); document.write( "\"C%5B10%5D%5E2\" : \"C%5B20%5D%5E2\" = \"%2810%2A9%29%2F%281%2A2%29\" : \"%2820%2A19%29%2F%281%2A2%29\" = \"%2810%2A9%29%2F%2820%2A19%29\" = \"%289%29%2F38\" = 0.236842 (approximately).\r
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