5.24 Grades in a math course. Indiana University posts the grade distributions for its courses online." In one spring semester, students in Math 118 received 16.1% A's, 34.3% B's, 29.2% C's, 9.6% D's, and 9.8% F's. 11 (a) Using the common scale A = 4, B = 3, C = 2, D = 1, F = 0, take X to be the grade of a randomly chosen Math 118 student. Use the definitions of the mean (page 237) and standard deviation (page 245) for discrete random variables to find the mean µ and the standard deviation o of grades in this section.
5.24 Grades in a math course. Indiana University posts the grade distributions for its courses online." In one spring semester, students in Math 118 received 16.1% A's, 34.3% B's, 29.2% C's, 9.6% D's, and 9.8% F's. 11 (a) Using the common scale A = 4, B = 3, C = 2, D = 1, F = 0, take X to be the grade of a randomly chosen Math 118 student. Use the definitions of the mean (page 237) and standard deviation (page 245) for discrete random variables to find the mean µ and the standard deviation o of grades in this section.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
Related questions
Question

Transcribed Image Text:5.24 Grades in a math course. Indiana University posts
the grade distributions for its courses online." In one
spring semester, students in Math 118 received 16.1% A's,
34.3% B's, 29.2% C's, 9.6% D's, and 9.8% F's.
11
(a) Using the common scale A = 4, B = 3, C = 2, D = 1,
F = 0, take X to be the grade of a randomly chosen Math
118 student. Use the definitions of the mean (page 237)
and standard deviation (page 245) for discrete random
variables to find the mean µ and the standard deviation o
of grades in this section.
%3D
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