An urn contains 5 red balls and 2 green balls. a ball is drawn. if it’s green a red ball is added to

An urn contains 5 red balls and 2 green balls. a ball is drawn. if it’s green a red ball is added to the urn and if it’s red a green ball is added to the urn.(the original ball is not returned to the urn)then a second ball is drawn.what is the probability the second ball is red ?

 

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