document.write( "Question 972924: what is the probability that at least 5 of the 25 students trying out for the baseball team are left-handed if 11% of the population is left-handed ? \n" ); document.write( "

Algebra.Com's Answer #595163 by Theo(13342) $\"\"$ $\"About$

You can put this solution on YOUR website!
p .11
\n" ); document.write( "q = 1-.11 = .89
\n" ); document.write( "m = n*.11 = 2.75
\n" ); document.write( "s = sqrt(n*p*q) = sqrt(25*.11*.89) = sqrt(2.4475) = 1.56
\n" ); document.write( "z = (5 - 2.75) / 1.56 = 1.44
\n" ); document.write( "p(z >= 1.44) = .0749
\n" ); document.write( "the probability that 5 or more of the team members will be left handed is 7.49%.
\n" ); document.write( "p = probability of success = .11
\n" ); document.write( "q = probability of failure = .89
\n" ); document.write( "m = mean = 2.75
\n" ); document.write( "s = standard error of the mean = 1.56
\n" ); document.write( "z = z-score = (x-m)/s = (5 - 2.75)/1.56
\n" ); document.write( "x = raw score of 5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );