Two events E and F are independent. If P...

Two events E and F are independent. If `P(E )=0.3` and `P(EcupF)=0.5` then `P(E//F)-P(F//E)` equals to

A

`2/7`

B

`(3)/(35)`

C

`(1)/(70)`

D

`1/7`

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The correct Answer is:

C

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