Question 915021
 {{{z =blue (x - mu)/blue(sigma)}}}
mean of 120 and a standard deviation of 5
z(history) = 10/5 = 2
............
Econ
mean of 168 and a standard deviation of 8. 
{{{2 =blue (X - 168)/blue(8)}}}
8(2) + 168 = X = 184, score would Quinn need to get on the economics test