document.write( "Question 403626: A box contains 28 transitors, 5 of which are defective. If 5 are sold at random, find the probability that at least 1 is defective. Express your answer as a fraction. \n" ); document.write( "
Algebra.Com's Answer #285367 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A box contains 28 transitors, 5 of which are defective. If 5 are sold at random, find the probability that at least 1 is defective. Express your answer as a fraction.
\n" ); document.write( "--------
\n" ); document.write( "P(>=1 defective) = 1 - P(none defective)
\n" ); document.write( "---
\n" ); document.write( "= 1 - 28C5/33C5
\n" ); document.write( "---
\n" ); document.write( "= 1 - 0.4141
\n" ); document.write( "---
\n" ); document.write( "= 0.5859
\n" ); document.write( "=================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );