document.write( "Question 366828: A bag contains a total of 30 batteries, of which six are defective. Selecting four at random, without replacement, determine the probability that none of the batteries you select are good.
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Algebra.Com's Answer #261508 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains a total of 30 batteries, of which six are defective. Selecting four at random, without replacement, determine the probability that none of the batteries you select are good. \n" ); document.write( "---------- \n" ); document.write( "If none are goog, they are all defective. \n" ); document.write( "--- \n" ); document.write( "P(4 defective selected) = 6C4/30C4 = 0.0005473 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |