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)\"\" \"About 
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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.)
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\n" ); document.write( "Binomial Problem with n = 10 and p(correct) = 1/2
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\n" ); document.write( "P(x >= 4) = 1 - binomcdf(10,0.5,3) = 0.8281
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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