SOLUTION: A set of final exam scores in an organic chemistry course was found to be normally distributed, with a mean of 73 and a standard deviation of 8. What is the probability of getting
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Question 915532: A set of final exam scores in an organic chemistry course was found to be normally distributed, with a mean of 73 and a standard deviation of 8. What is the probability of getting a score of 68 or less on this exam?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
mean of 73 and a standard deviation of 8
z(68) = -5/8
P(x ≤ 68) = P( z ≤ -5/8) = normalcdf(-100, -.625) = .2660
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