Question
The scores on a test for a very large class is normally distributed with mean 64 points and
standard deviation 6 points. The department decides to award A to the highest 5% scores.
What is the minimum score to receive an A for the course? Round your answer (down)
to nearest whole number.
standard deviation 6 points. The department decides to award A to the highest 5% scores.
What is the minimum score to receive an A for the course? Round your answer (down)
to nearest whole number.
Answers
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.05) to get a Z score. Insert the values in the above equation and solve for the score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.05) to get a Z score. Insert the values in the above equation and solve for the score.