document.write( "Question 368867: a box contains 25 transistors 6 of which are defective. if 6 are selected at random find the probability that b) none are defective\r
\n" ); document.write( "\n" ); document.write( "the answer is .153% but i dont know how to get it
\n" ); document.write( "

Algebra.Com's Answer #262805 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
ways of selecting 6 transistors from 25 ___ 25C6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "ways of selecting 6 good transistors from 19 ___ 19C6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "probability of selecting 6 good transistors ___ [19C6] / [25C6]
\n" ); document.write( "
\n" );