document.write( "Question 805070: Suppose the life of a particular brand of laptop battery is normally distributed with a mean of 8 hours and a standard deviation of 0.6 hour. What is the probability that the battery will last more than 9 hours before running out of power?
\n" );
document.write( "
\n" );
document.write( "A. 0.0475
\n" );
document.write( "
\n" );
document.write( "B. 0.4525
\n" );
document.write( "
\n" );
document.write( "C. 0.9525
\n" );
document.write( "
\n" );
document.write( "D. 1.6667
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #591622 by drktrinity(1) ![]() You can put this solution on YOUR website! \n" ); document.write( " |