document.write( "Question 947767: If P(A) = 0.4, P(B) = 0.7, and A and B are independent, find P(A or B). \n" ); document.write( "
Algebra.Com's Answer #578404 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If P(A) = 0.4, P(B) = 0.7, and A and B are independent, find P(A or B). \n" ); document.write( "---- \n" ); document.write( "P(A or B) = P(A) + P(B) - P(A and B) \n" ); document.write( "----- \n" ); document.write( "= 0.4 + 0.7 - (0.4*0.7) \n" ); document.write( "----- \n" ); document.write( "= 1.1 - 0.28 \n" ); document.write( "----- \n" ); document.write( "= 0.82 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |