He distribution of scores on the sat is approximately normal with a mean of m = 500 and a standard deviation of sd = 100. for the population of students have taken the sat. (c) what is the minimum sat score needed to be in the highest 10% of the population?

A. What proportion have SAT scores greater than 700? Z= 2 ; 2.28%
B. What proportion have SAT scores greater than 500? 50%
C. What is the minimum SAT score needed to be in the highest
10% of the population? Z= 1.28; 628
D. If the state college only accepts students from the top 60% of the SAT distribution, what is the minimum SAT score needed to be accepted? Z= .26; 474