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The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency Osx< 20 20 sx< 40 40 s x < 60 50 s x < 80 40 70 210 80 The relative frequency of students working less than 20 hours is O a.0.90 O b. 0.10 O c. 40 O d. 110

The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency Osx< 20 20 sx< 40 40 s x < 60 50 s x < 80 40 70 210 80 The relative frequency of students working less than 20 hours is O a.0.90 O b. 0.10 O c. 40 O d. 110

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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The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency 0 <x < 20 40 20 sx< 40 70 40 < x < 60 60 s x < 80 210 80 The relative frequency of students working less than 20 hours is O a. 0.90 O b. 0.10 O c. 40 O d. 110
Transcribed Image Text:The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency 0 <x < 20 40 20 sx< 40 70 40 < x < 60 60 s x < 80 210 80 The relative frequency of students working less than 20 hours is O a. 0.90 O b. 0.10 O c. 40 O d. 110
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