Muhd Nihal's answer to Shermel Lee Lee's Secondary 4 E Maths question.
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The solution to part B
It is quite simple if you find the cumulative at 15 mins and 35 minutes. As you can see ,the question is asking for the percentage of the number of students between the 15 mins and 35 mins so you have to deduct 12.5 from 75 and the answer is expressed as a percentage if you divide by 150 and multiply by 100.
It is quite simple if you find the cumulative at 15 mins and 35 minutes. As you can see ,the question is asking for the percentage of the number of students between the 15 mins and 35 mins so you have to deduct 12.5 from 75 and the answer is expressed as a percentage if you divide by 150 and multiply by 100.
Date Posted:
6 years ago
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