The mean life of \({ }_{0}^{1} \mathrm{n}\) is
A. 18.75 minutes
B. 8.11 minutes
C. 13 minutes
D. 10 minutes
Answer:A
The mean life of \({ }_{0}^{1} \mathrm{n}\) is
A. 18.75 minutes B. 8.11 minutes C. 13 minutes D. 10 minutes