Question

4) If n(A) = 2, P(A) = 1/5, then n(S)=​

Answer 1

$Given n(A) = 2, P(A) = 1/5, \\ n(S) = n(A)/P(A) \\ = 2/(1/5) \\ = 2 \times 5 \\ = 10 \\ n(S) = 10$