document.write( "Question 377349: The time it takes Claudia to drive to work is normally distributed with a mean of 49 minutes and a standard deviation of 8 minutes. What percentage of the time will it take her less than 73 minutes to drive to work? \n" ); document.write( "
Algebra.Com's Answer #268091 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"P%28T+%3C+73%29+=+P%28%28T-mu%29%2Fsigma+%3C+%28T+-+49%29%2F8+=+%2873+-+49%29%2F8+=+3%29%29\". Then P(T < 73) = P(Z < 3) = 0.9987. Answer is 99.87%. \n" ); document.write( "
\n" );