Question 954965
Find the z-score. 
{{{Z=(x-mu)/sigma}}}
{{{Z=(461-455)/10.2}}}
{{{Z=0.5882}}}
For that Z score,
{{{P=0.7218}}}
So the probability we're looking for is,
{{{P=1-0.7218}}}
{{{P=0.2782}}}