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JAMB UTME
| Age in years | 10 | 11 | 12 |
| No. of Pupil | 6 | 27 | 7 |
The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?
A.
27/40
B.
17/20
C.
3/30
D.
33/40
Answer: B
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