An urn contains 4 red, 7 white, and 9 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 both balls are white W.
A) Pr(both
W) =
B) Pr(both
W) =
C) Pr(both
W) =
D) Pr(both
W) =
E) Pr(both
W) =

Question

An urn contains 4 red, 7 white, and 9 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 both balls are white W. ​
A) Pr(both 
W) = 
B) Pr(both 
W) = 
C) Pr(both 
W) = 
D) Pr(both 
W) = 
E) Pr(both 
W) =

Quizplus · Accepted Answer

The Answer of An urn contains 4 red, 7 white, and 9 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 both balls are white W. ​
A) Pr(both 
W) = 
B) Pr(both 
W) = 
C) Pr(both 
W) = 
D) Pr(both 
W) = 
E) Pr(both 
W) =

An Urn Contains 4 Red, 7 White, and 9 Black