document.write( "Question 508826: I need help with a probability question; A student is taking 2 courses, History and Math. The probability of passing Hstory is .60 and Math.70., both .50. What is the probability of passing at least 1? Thanks for the assistance. e-mail jeff.lewis2@insightbb.com \n" ); document.write( "
Algebra.Com's Answer #341276 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I need help with a probability question; \n" ); document.write( "A student is taking 2 courses, History and Math. \n" ); document.write( "The probability of passing History is .60 and Math.70., both .50. \n" ); document.write( "What is the probability of passing at least 1? \n" ); document.write( "---- \n" ); document.write( "P(pass at least 1) = 1 - P(fail both) \n" ); document.write( "= 1 - 0.4*0.7 \n" ); document.write( "--- \n" ); document.write( "= 1 - 0.28 \n" ); document.write( "--- \n" ); document.write( "= 0.72 \n" ); document.write( "======== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======== \n" ); document.write( " |