document.write( "Question 385027: suppose you have a 9 questions multiple choice test with 3 possible answers. also suppose you guess on each question. what would the probability of 0, 1, 2, 3,4,5,6,7,8,9, would be?? round four decimals places \n" ); document.write( "
Algebra.Com's Answer #272483 by stanbon(75887)\"\" \"About 
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suppose you have a 9 questions multiple choice test with 3 possible answers. also suppose you guess on each question. what would the probability of 0, 1, 2, 3,4,5,6,7,8,9, would be?? round four decimals places
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\n" ); document.write( "Binomial Problem with n = 9 and p = 1/3
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\n" ); document.write( "If k is any one of those numbers you listed,
\n" ); document.write( "P(x = k) = 9Ck*(1/3)^k*(2/3)^(9-k)
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\n" ); document.write( "Example:
\n" ); document.write( "P(x = 3) = 9C3*(1/3)^3*(2/3)^6 = 0.2731\r
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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