Question
The scores on a psychology exam were normally distributed with a mean of 66 and a standard deviation of 10 A failing grade on the
The scores on a psychology exam were normally distributed with a mean of
66 and a standard deviation of
10A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failing score? Approximately what percentage of the students failed?
The cutoff for a failing score was
------
.
(Simplify your answer.)
Approximately ------ percent of the students failed.
(Round to one decimal place as needed.)
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
