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The scores on a psychology exam were normally distributed with a mean of 64 and a standard deviation of 8 A failing grade on the
The scores on a psychology exam were normally distributed with a mean of
64
and a standard deviation of
8
A failing grade on the exam was anything 2 or more standard deviations below the mean.
What was the cutoff for a failing score?
(Simplify your answer.)
Approximately what percentage of the students failed?
(Round to one decimal place as needed.)
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