It is known that the mean is 50 and the standard deviation is 5. There are 45 students in the class. (a) How many students should receive a C? student(s) (b) How many students should receive an A? student(s)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 53E
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It is known that the mean is 50 and the standard deviation is 5. There are 45 students in the class. (a) How many students
should receive a C? student(s) (b) How many students should receive an A? student(s)
Transcribed Image Text:It is known that the mean is 50 and the standard deviation is 5. There are 45 students in the class. (a) How many students should receive a C? student(s) (b) How many students should receive an A? student(s)
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