document.write( "Question 954199: Given that X is a normal random variable with a mean of 25 and standard deviation 3, find the probability\r
\n" );
document.write( "\n" );
document.write( "P(X < 20)\r
\n" );
document.write( "\n" );
document.write( "Please please help. \n" );
document.write( "
Algebra.Com's Answer #582747 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Find the z score. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |