College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal distribution, what percent of students failed the test (grade<60)? a. 34% b. 2% c. 14% d. 48%
College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal distribution, what percent of students failed the test (grade<60)? a. 34% b. 2% c. 14% d. 48%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal distribution , what percent of students failed the test (grade<60)?
a. 34%
b. 2%
c. 14%
d. 48%
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