An urn contains 8 red, 9 white, and 2 black balls. One ball is drawn from the urn, it is replaced, and a second ball is drawn. Construct a probability tree to determine the probability that at least one ball drawn is black B.
A) Pr(at least one B) = 
B) Pr(at least one B) = 
C) Pr(at least one B) = 
D) Pr(at least one B) = 
E) Pr(at least one B) = 
Correct Answer:
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