Age | Frequency |
0-9 | 25 |
10-19 | 17 |
20-29 | 31 |
30-39 | 20 |
40 | 7 |
A) 0.273
B) 0.270
C) 0.271
D) 0.272
Correct Answer: B
Solution :
(b): No. of person aged 30 or more \[=27=n\left( E \right)\] Total\[=100=n\left( S \right)\] \[n(P)=\frac{n(E)}{n(S)}=\frac{27}{100}=0.27\]You need to login to perform this action.
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