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The number of students in two sections A and B having different heights is shown in the table given below:
| Height (in metres) | Section A | Section B |
|---|---|---|
| 1.55 | 6 | 5 |
| 1.60 | 10 | 0 |
| 1.62 | 14 | 15 |
| 1.65 | 16 | 11 |
| 1.68 | 9 | 8 |
| 1.71 | 7 | 6 |
| 1.75 | 5 | 4 |
What is the ratio of the number of students with a height of 1.62 metres in Section A to the total number of students in Section A?
Solve: \(\sqrt{5 \times 196 \div 14 + 25 - 4}\)
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