Question
he scores on a psychology exam were normally distributed with a mean of 59 59 and a standard deviation of 8 8. A failing grade
he scores on a psychology exam were normally distributed with a mean of 59
59 and a standard deviation of 8
8. A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failingscore? Approximately what percentage of the studentsfailed?
The cutoff for a failing score was
43
What percent of the students failed.? ____
(Round to one decimal place asneeded.)
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California Algebra 1 Concepts Skills And Problem Solving
Authors: Berchie Holliday, Gilbert J. Cuevas, Beatrice Luchin, John A. Carter, Daniel Marks
1st Edition
0078778522, 978-0078778520
