Question

If n(A) = 6 and P(A) = 3/10, find n(S). ​

Answer 1

Your correct answer is

n(s)=20

Expiation

N(A)= 6
—
20

So, 2×3=6 &
2×10=20

Therefore,

P(A)= 3
—
10






Hope you got your right answer