SOLUTION: If 200 students write a test and the average score is 77%. With a standard deviation of 8%. How many students scored less then 59%?

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Question 947317: If 200 students write a test and the average score is 77%. With a standard deviation of 8%. How many students scored less then 59%?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z-score,
z=%2859-77%29%2F8=-2.25
Find the probability,
P=0.012224
So then,
N=2.445
Rounding down, that would be N=2 students.