document.write( "Question 523868: For each question on a multiple choice test, there are 5 possible answers of which exactly one is correct.
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document.write( "If a student selects answers at random, give the probability that the first question answered correctly is question 4. \n" );
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Algebra.Com's Answer #347461 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! For each question on a multiple choice test, there are 5 possible answers of which exactly one is correct. \n" ); document.write( "If a student selects answers at random, give the probability that the first question answered correctly is question 4. \n" ); document.write( "--- \n" ); document.write( "Let \"w\" be wrong; Let \"c\" be correct. \n" ); document.write( "------- \n" ); document.write( "P(wwwc) = (4/5)^3*(1/5) = 0.1024 \n" ); document.write( "------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |