document.write( "Question 375904: Copykwwik has four photocopy machines A B C D The probability that a given machine will break down on a particular day is \r
\n" ); document.write( "\n" ); document.write( "P(a)=1/50 P(B)= 1/60 P(C)= 1/75 P(D)= 1/40
\n" ); document.write( " assuming independence what is the probability on a particular day that\r
\n" ); document.write( "\n" ); document.write( "a) all four machines will break down \r
\n" ); document.write( "\n" ); document.write( "b) none of the machines will break down\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #267416 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
a)\"P=%281%2F50%29%281%2F60%29%281%2F75%29%281%2F40%29=1%2F9000000\"
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "b)
\n" ); document.write( "
\n" );