document.write( "Question 706813: If the probability that a certain tennis player will serve an ace is 1/4, what is the probability that he will serve exactly two aces out of four serves? (Assume that the four serves are independent. Round your answer to four decimal places.)
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Algebra.Com's Answer #435391 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If the probability that a certain tennis player will serve an ace is 1/4, what is the probability that he will serve exactly two aces out of four serves? \n" ); document.write( "----- \n" ); document.write( "Binomial Problem with n = 4 and p(ace) = 1/4 \n" ); document.write( "---- \n" ); document.write( "P(x = 2) = 4C2*(1/4)^2*(3/4)^2 = binompdf(4,1/4,2) = 0.2109 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================= \n" ); document.write( " |