Question

in a bag there are 7 black balls and 8 red balls. in another bag there are 6 black balls and 7 white balls. a) if a ball is taken from both the bags. what is the probablity of getting both black balls. b) what is the probablity of getting both white balls​

Answer 1

Answer:

Step-by-step explanation:

BAG 1  =  7 BLACK BALLS + 8 RED BALLS

BAG 2 =  6 BLACK BALLS + 7 RED BALLS

BAG 1 CONTAIN 15 BALLS

BAG 2 CONTAIN 13 BALLS

RED BALLS FROM BAG 1&2

     8/15×7/13=56/195

BLACK BALLS FROM BAG 1&2

    7/15×6/13=42/195