document.write( "Question 873347: Van guessed on all 8 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got exactly 1 question correct? Round the answer to the nearest thousandth \n" ); document.write( "

Algebra.Com's Answer #526799 by ewatrrr(24785) $\"\"$ $\"About$

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p = .25, n = 8
\n" ); document.write( "P(x=1) = 8C1(.25)^1(.75)^7
\n" ); document.write( "Binomial Probability
\n" ); document.write( " $\"P+%28x%29=+highlight_green%28nCx%29%28p%5Ex%29%28q%29%5E%28n-x%29+\"$
\n" ); document.write( "p and q are the probabilities of success and failure respectively.
\n" ); document.write( " $\"nCx+=+%28n%21%29%2Fx%21%28n+-+x%29%21%29\"$
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