Question

The scores of a psychology exam were normally distributed with a mean of 70 and a standard deviation of 5 a failing grade on the exam was anything two or more standard deviations below the mean what was the cutoff for a failing score

Answer 1

60

Explanation:

Two standard deviations below the mean is:

70 - 2(5) = 60

Answer 2

The Answer is likely 60.

Explanation:

Two standard deviations from 70 is 60, because the actual deviation is 5, so 2 of those equals 10. 10 - 70 = 60.