document.write( "Question 248000: A box contains 50 razor blades, five of these are known to be used, the remainder unused. What is the probability that 5 razor blades selected from the box will be unused. \n" ); document.write( "
Algebra.Com's Answer #180806 by stanbon(75887)\"\" \"About 
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A box contains 50 razor blades, five of these are known to be used, the remainder unused. What is the probability that 5 razor blades selected from the box will be unused.
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\n" ); document.write( "# of ways to get 5 unused: 45C5
\n" ); document.write( "# of ways to pick 5 from 50: 50C5
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\n" ); document.write( "P(pick 5 unused) = 45C5/50C5 = 1221759/2118760 = 0.5766\r
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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