Question 970103
Find the z score.
{{{z=(85-74.8)/7.57=1.347}}}
Find the probability associated with that z score.
{{{P=0.9111}}} 
So scores above 85% would have a probability of {{{1-0.9111=0.0889}}}
Out of the 15 students,
{{{15(0.0889)=1.33=1}}} student would have that score.
One student