Question

if one bag contains 4 blue and 5 green balls and another bag contains 3 blue and 7 green balls if one ball is drawn from each bag .then what is the.probability of that two colors are of same color​

Answer 1

Beg 1 contain 4 blue and 5 green balls.

Beg 2 contain 3 blue and 7 green balls.

First consider probability of blue ball,

P(B) = (4/9) * (3/10) = 12/90

Now consider probability of green ball,

P(G) = (5/9) * (7/10) = 35/90

So total probability is,

P = (12/90) * (35/90)

P = 7/135.

Hope you understand.