document.write( "Question 1152570: The probability of passing the math class of Professor Jones is 62%, the probability of passing Professor Smith's class is 34%, and the probability of passing both is 30.\r
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document.write( "What is the probability of passing one or the other? \n" );
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Algebra.Com's Answer #774616 by ikleyn(53765) You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " The correct solution is as follows:\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = prob. of passing Jones' class \n" ); document.write( "B = prob. of passing Smith's class \n" ); document.write( " \n" ); document.write( "P(A or B) = P(A) + P(B) - P(A and B) \n" ); document.write( " \n" ); document.write( "P(A or B) = 0.62 + 0.34 - 0.30 \n" ); document.write( " \n" ); document.write( "P(A or B) = 0.66\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Notice the difference between my solution and the solution by the tutor @VBFBundy in the 3-rd line.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |