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In n(A) =2, P(A) = (1)/(5), then n( S) =...

In `n(A) =2, P(A) = (1)/(5)`, then `n( S) = ?`

A

10

B

2

C

5

D

20

Text Solution

Verified by Experts

The correct Answer is:
A
`p (A) = (n(A))/( n(S))` `:. (1)/(5) = (2)/( n (S)) ` `:. n (S) = 2 xx 5 ` `:. n ( S) = 10 `
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