Urn A contains eight white and four black balls. Urn B contains seven white and three black balls. A ball is drawn from urn A and then transferred to urn B. A ball is then drawn from urn B.
What is the probability that the transferred ball was black given that the second ball drawn was white?
a. 0.3
b. 0.72
c. 0.58
d. 0.9
a. 0.3
Mathematics
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