Question: A student draws one ball from an urn containing 4 black and 2 white balls.If the ball is black, the student does not return it

A student draws one ball from an urn containing 4 black and 2 white balls.If the ball is black, the student does not return it to the urn.If the ball is white, the student returns the ball.The student now draws a second ball. LetAbe the event that the first ball is black, and letBbe the event that the second ball is black as well.

(1) P(B|A), (2) P(A|B)

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