document.write( "Question 880622: A basketball player routinely hits 85% of their free throws. What is probability this player at practice only makes 7 out of 11 free throws. Express answer as percentage rounded to nearest tenth.
\n" ); document.write( "a. 7.4%
\n" ); document.write( "b.15.4%
\n" ); document.write( "c.25.4%
\n" ); document.write( "d.5.4%
\n" ); document.write( "

Algebra.Com's Answer #531597 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "\r\n" );
document.write( "This is a binomial probability problem.\r\n" );
document.write( "\r\n" );
document.write( "The probability of succeeding exactly x times out of n trials, if\r\n" );
document.write( "the probability of 1 success in one trial is p, is given by the formula:\r\n" );
document.write( "\r\n" );
document.write( "\"expr%28n%21%2F%28x%21%28n-x%29%21%29%29p%5Ex%2A%281-p%29%5E%28n-x%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"expr%2811%21%2F%287%21%2811-7%29%21%29%29%28.85%29%5E7%281-.85%29%5E%2811-7%29\"\r\n" );
document.write( "\r\n" );
document.write( "0.0535564098 or about 5.4%\r\n" );
document.write( "\r\n" );
document.write( "You can use binompdf(11,.85,7) on a TI-83 or 84.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );