A bag contains 10 red balls and 10 ...

A bag contains 10 red balls and 10 green balls , Two balls are drawn at random , one at a time , with replacement . Let A be the event that first ball is red , B be the event that second ball is green and C be the event that both balls are either red or green then show that the events A ,B and C are pair wise independent and A ,B ,C are mutally dependent .

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