document.write( "Question 483295: A bag contains 9 balls numbered 1 through 9. A person draws 4 balls from the bag at the same tome, and then the person writes down the numbers on the balls in increasing order.\r
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document.write( "What is the probability that the sequence 2, 5, 7, 9 will be written down?\r
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document.write( "a. 0.00031
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document.write( "b. 0.00794
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document.write( "c. 0.04167
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document.write( "d. 0.22222
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Algebra.Com's Answer #330753 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains 9 balls numbered 1 through 9. A person draws 4 balls from the bag at the same time, and then the person writes down the numbers on the balls in increasing order. \n" ); document.write( "What is the probability that the sequence 2, 5, 7, 9 will be written down? \n" ); document.write( "--- \n" ); document.write( "There are 9C4 = (9*8*7*6)/(1*2*3*4) = 126 sequences of 4 digits. \n" ); document.write( "Only 1 is correct. \n" ); document.write( "---- \n" ); document.write( "P(correct sequence) = 1/126 = 0.00794 \n" ); document.write( "======= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========= \n" ); document.write( " \n" ); document.write( "a. 0.00031 \n" ); document.write( "b. 0.00794 \n" ); document.write( "c. 0.04167 \n" ); document.write( "d. 0.22222\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |