Mathematics NECO SSCE 2001 Statistics and Probability
The mean age of 12 boys involved survey is 19 years, 3 months. lf the-age of one of the boys is 22 years, what is the mean age of the other-boys?
A
10.5 years
B
19.0 years
C
35.4 years
D
264.0 years
E
423.5 years