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The following table shows the time spent by 200 students in watching television programs during in months: Time (in hours) Number of Students less than 10 8 10-20 16 20–30 26 30-40 20 40-50 30 50-60 40 60–70 20 70-80 18 80-90 16 more than 90 6. Calculate: (i) the number of students spending up to 25 hours. (ii) the number of students spending at least 55 hours.

The following table shows the time spent by 200 students in watching television programs during in months: Time (in hours) Number of Students less than 10 8 10-20 16 20–30 26 30-40 20 40-50 30 50-60 40 60–70 20 70-80 18 80-90 16 more than 90 6. Calculate: (i) the number of students spending up to 25 hours. (ii) the number of students spending at least 55 hours.

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 following table shows the time spent by 200 students in watching television programs during in months: Time (in hours) Number of Students less than 10 8 10-20 16 20–30 26 30-40 20 40-50 30 50–60 40 60–70 20 70-80 18 80–90 16 more than 90 6 Calculate: (i) the number of students spending up to 25 hours. (ii) the number of students spending at least 55 hours.
Transcribed Image Text:The following table shows the time spent by 200 students in watching television programs during in months: Time (in hours) Number of Students less than 10 8 10-20 16 20–30 26 30-40 20 40-50 30 50–60 40 60–70 20 70-80 18 80–90 16 more than 90 6 Calculate: (i) the number of students spending up to 25 hours. (ii) the number of students spending at least 55 hours.
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