document.write( "Question 511265: A quiz cosists of 20 multiple-choice questions, each with 6 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %. \n" ); document.write( "
Algebra.Com's Answer #342095 by stanbon(75887)\"\" \"About 
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A quiz cosists of 20 multiple-choice questions, each with 6 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %
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\n" ); document.write( "Binomial Problem with n = 20 and p(correct) = 1/6
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\n" ); document.write( "20% of 20 = 4
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\n" ); document.write( "P(4 <= x <= 20)
\n" ); document.write( "= 1 - P(0 <= x <= 3)
\n" ); document.write( "= 1-0.5665
\n" ); document.write( "= 0.4335
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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