# If P(S) = 0.3, P(T ) = 0.4 and S and T are independent events, then P(S/T) is equal to

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If P(S) = 0.3, P(T ) = 0.4 and S and T are independent events, then P(S/T) is equal to

(a) 0.12

(b) 0.2

(c) 0.3

(d) 0.4

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S and T being independent events,

P(S ∩ T) = P(S) × P(T) = 0.3 × 0.4

P(S/T) = $\frac{P(S\,\cap\,T)}{P(T)} = \frac{0.3\times 0.4}{0.4}$  = 0.3