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grin007 [14]
3 years ago
5

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

ility both balls are drawn is black?
Mathematics
1 answer:
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

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