Question

Three bags contain 3 red, 7 black; 8 red, 2 black, and 4 red & 6 black balls respectively. 1 of the bags is selected at random and a ball is drawn from it. If the ball drawn is red, find the probability that it is drawn from the third bag.

Answer 1

Answer:

0.4

Step-by-step explanation:

Each bag contains 10 balls

The third bag has 10 balls in it with 4 red and 6 black .

The probability of red ball came out

P (R) = the sum of total

outcomes/

the sum of favourable

outcomes

=10/4

=0.4