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Questions and Answers
What is the composition of balls in Urn I?
What is the composition of balls in Urn I?
- 2 white, 1 black
- 2 white, 2 black
- 1 white, 2 black
- 1 white, 1 black (correct)
What is the composition of balls in Urn II?
What is the composition of balls in Urn II?
- 3 white, 1 black
- 1 white, 2 black
- 2 white, 1 black (correct)
- 2 white, 2 black
What is the probability that the white ball came from Urn I?
What is the probability that the white ball came from Urn I?
- 3/4
- 1/3
- 2/3 (correct)
- 1/2
