document.write( "Question 674985: A student takes a 10 question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 40% of the questions correct. (Round your answer to three decimal places.) \n" ); document.write( "
Algebra.Com's Answer #419537 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A student takes a 10 question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 40% of the questions correct. (Round your answer to three decimal places.) \n" ); document.write( "-------- \n" ); document.write( "Binomial Problem with n = 10 and p(correct) = 1/2 \n" ); document.write( "----- \n" ); document.write( "P(x >= 4) = 1 - binomcdf(10,0.5,3) = 0.8281 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |