(i) If the passing mark is 30, what is the number of failures?
(ii) How many students obtained 40 or more marks but less than 70?
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(i) 4 failure students
(ii)21students
(ii)21students
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(i) If the passing mark is 30, what is the number of failures? . 8
ii) How many students obtained 40 or more marks but less than 70? .21
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