document.write( "Question 286607: The probability of a table-tennis ball being defective is 1/10. About how many balls would be defective in a case of 725 table-tennis balls \n" ); document.write( "
Algebra.Com's Answer #207949 by stanbon(75887)\"\" \"About 
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The probability of a table-tennis ball being defective is 1/10. About how many balls would be defective in a case of 725 table-tennis balls
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\n" ); document.write( "average # = np = 725(1/10) = 72.5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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