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?
1 answer:
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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