document.write( "Question 979303: In a batch of 100 cell phones, there are, on average, 9 defective ones. If a random sample of 30 is selected, find the probability of 3 defective ones. \n" ); document.write( "
Algebra.Com's Answer #600706 by Fombitz(32388)\"\" \"About 
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\"P=C%2830%2C3%29%289%2F100%29%5E3%2891%2F100%29%5E%2830-3%29\"
\n" ); document.write( "\"P=4060%280.000729%29%280.078364%29\"
\n" ); document.write( "\"P=0.2319\"
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