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3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the following frequency distribution: Grade Less than 50 50 - 59 60 - 69 70 - 79 80 - 89 90 - 100 Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 in this exam? A. 54 25 45 D. B.

3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the following frequency distribution: Grade Less than 50 50 - 59 60 - 69 70 - 79 80 - 89 90 - 100 Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 in this exam? A. 54 25 45 D. B.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the following frequency distribution: Grade Less than 50 50 - 59 60 - 69 70 - 79 80 - 89 90 - 100 Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 in this exam? A. 54 25 45 D. B.
Transcribed Image Text:3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the following frequency distribution: Grade Less than 50 50 - 59 60 - 69 70 - 79 80 - 89 90 - 100 Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 in this exam? A. 54 25 45 D. B.
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