Question

what is the probability that
(1) both balls are white
10. When two balls are drawn simultaneously from a bag containing 5 white and 7 black balle
(ii) one ball is white and the other black​

Answer 1

White ball ={ w 1 ,w2,w3,w4,w5} , black ball ={ b1,b2,b3,b4,b5,b6,b7}

A = {w 1,w2,w3,w4,w5,}

B = {w b }

Hope it helps you