document.write( "Question 222495: find the probability of tossing exactly 2 heads on 3 tosses of a fair coin. \n" ); document.write( "
Algebra.Com's Answer #166586 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find the probability of tossing exactly 2 heads on 3 tosses of a fair coin. \n" ); document.write( "----- \n" ); document.write( "It's a binomial problem with n=3, p=1/2, x = 2 \n" ); document.write( "--------------- \n" ); document.write( "P(x=2) = 3C2*(1/2)^2(1/2) \n" ); document.write( "--- \n" ); document.write( "P(x=2) = 3(1/4)(1/2) \n" ); document.write( "--- \n" ); document.write( "P(x=2) = 3/8 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |