- A9/25
- B1/3
- C3/5
- D2/5
Step-by-Step Solution
Because the ball is replaced, the two draws are independent and each has P(white) = 6/10 = 3/5. Probability . (Without replacement it would be )
Answer: A) 9/25
A bag contains 6 white and 4 black balls. A ball is drawn at random, its colour noted, and it is put back into the bag before a second ball is drawn. What is the probability that both balls drawn are white?
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