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) ![]() You can put this solution on YOUR website! 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( "------------------------------------------ \n" ); document.write( "Binomial Problem with n = 9 and p = 1/3 \n" ); document.write( "--- \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) \n" ); document.write( "======================================= \n" ); document.write( "Example: \n" ); document.write( "P(x = 3) = 9C3*(1/3)^3*(2/3)^6 = 0.2731\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |