If 10 out of 30 students got 22.5, 15 got 40 and 5 got 80 in an exam, which is the weighted average of the grades taken from this exam?
If 10 out of 30 students got 22.5, 15 got 40 and 5 got 80 in an exam, which is the weighted average of the grades taken from this exam?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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If 10 out of 30 students got 22.5, 15 got 40 and 5 got 80 in an exam, which is the weighted average of the grades taken from this exam?
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