Question

There are two bags, one of which contains 5 red and 7 white balls and the other 3 red and 12 white balls. A ball is to be drawn from one or other of the two bags

Answer 1

Answer:

Step-by-step explanation:

Getting a red ball from the first bag): (1/2)*(5/12)

P(Getting a red ball from the 2nd bag): (1/2)*(3/15)

P(Drawing a red ball):

(1/2)*(5/12)+(1/2)*(3/15)= 37/120