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Question 14
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AThe marks scored by forty candidates in an examination are shown in the table.
Marks |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
Number of candidates |
2 |
3 |
m |
8 |
10 |
5 |
3 |
3 |
n |
- If the mean of the distribution is 4.725, find the values of m and n.
- What is the probability that a candidate chosen at random scored more than 5?
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