Probability one person is not a swimmer or sportsperson: exactly n - 1 of n are

1. A.
   $\left( \frac{4}{5} \right)^{4}$
2. B.
   $\left( \frac{4}{5} \right)^{4}\left( \frac{1}{5} \right)$
3. C.
   $\left( \frac{4}{5} \right)^{5} \times \frac{1}{5}$
4. D.
   $\left( \frac{4}{5} \right)^{3} \times \frac{1}{5^{2}}$

Tap an option to check your answer.

1. A.
   $\left( \frac{5}{6} \right)^{5}$
2. B.
   $\ 6\left( \frac{5}{6} \right)^{5}$
3. C.
   $\ 5\left( \frac{5}{6} \right)^{6}$
4. D.
   $\left( \frac{5}{6} \right)^{6}$

Tap an option to check your answer.