document.write( "Question 762026: If P(E)=0.45, P(E or F)=0.50 and P(E and F)=0.20, find P(F) \n" ); document.write( "
Algebra.Com's Answer #463648 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! P(E or F) = P(E) + P(F) - P(E and F)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.50 = 0.45 + P(F) - 0.20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.50 = 0.25 + P(F)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.50 - 0.25 = P(F)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.25 = P(F)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(F) = 0.25\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |