A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other with replacement. What is the probab

Question

3 years ago

5

ility both balls are drawn is black?

1 answer:

Damm [24] · Answer 1 · 2022-08-09T01:49:23+03:00

Damm [24]3 years ago

6 0

Answer:

9/64

Step-by-step explanation:

Given,

White balls = 5

Black Balls = 3

Total Balls = 5 + 3 = 8 balls

P (1st black ball) = 3/8

If there is replacement, P (2nd black ball) = 3/8

P (Both balls are black)

= P (1st black ball) x P(2nd black ball)

= 3/8 x 3/8

= 9/64