from the following frequency table find out how many students failed if pass mark is 40. marks0-19 20-39 40-49 50 59 60-89 90-100. number of students 8 6 15 13 18 7
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Answer is 53 students.
It is very simple.Just add the no. of students from 40-49 to 90-100.
It is very simple.Just add the no. of students from 40-49 to 90-100.
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