document.write( "Question 266344: Student has 10 question test with 5 choices for each answer. He needs to answer 60% or > to pass. If he randomly guesses, what is the % probability he will pass? thank you
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document.write( "Choices are: 0.006 0.377 0.060 \n" );
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Algebra.Com's Answer #195686 by stanbon(75887) ![]() You can put this solution on YOUR website! Student has 10 question test with 5 choices for each answer. He needs to answer 60% or > to pass. If he randomly guesses, what is the % probability he will pass? thank you \n" ); document.write( "Choices are: 0.006 0.377 0.060 \n" ); document.write( "---- \n" ); document.write( "Binomial Problem: \n" ); document.write( "n = 10, p(correct) = 1/5, q(wrong) = 4/5 \n" ); document.write( "--- \n" ); document.write( "Find P(6 <= x <=10) = 1 - binomcdf(10,1/5,5) = 0.0064 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |