document.write( "Question 429479: If X is a normal random variable with a standard deviation 3.50, and if the probability that X is less than 8.83 is .648, then what is the mean of X?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #298334 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


\n" );
document.write( "Hi
\n" );
document.write( "*Note: 
\n" );
document.write( "Probability =.648 then z = .3799
\n" );
document.write( "      
\n" );
document.write( " .3799 =(8.83 - μ)/(3.5)
\n" );
document.write( "   μ  = 8.83-.3799*3.5
\n" );
document.write( "  μ  = 7.5 \n" );
document.write( "

\n" );