Age (in year) | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | Total |
Number of people | 15 | \[{{f}_{1}}\] | 21 | \[{{f}_{2}}\] | 17 | 100 |
A) \[{{f}_{1}}=18\,\,\And \,\,{{f}_{2}}=29\]
B) \[{{f}_{1}}=22\,\,\And \,\,{{f}_{2}}=25\]
C) \[{{f}_{1}}=14\,\,\And \,\,{{f}_{2}}=33\]
D) \[{{f}_{1}}=24\,\,\And \,\,{{f}_{2}}=23\]
E) None of these
Correct Answer: A
Solution :
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