19. An urn contains two blue balls (denoted B1 and B2) and three white balls (denoted W, W, and W3). One ball is drawn, its color is recorded, and it is replaced in the urn. Then another ball is drawn and its color is recorded. a. Let B W2 denote the outcome that the first ball drawn is B and the second ball drawn is W,. Because the first ball is renlaced beforo th

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19. An urn contains two blue balls (denoted B and B2) and
three white balls (denoted W, W,, and W,). One ball is
drawn, its color is recorded, and it is replaced in the urn.
Then another ball is drawn and its color is
a. Let B W, denote the outcome that the first ball drawn
is B and the second ball drawn is W,. Because the first
ball is replaced before the second ball is drawn, the out-
comes of the experiment are equally likely. List all 25
possible outcomes of the experiment.
b. Consider the event that the first ball that is drawn is blue.
List all outcomes in the event. What is the probability of
the event?
c. Consider the event that only white balls are drawn. List
all outcomes in the event. What is the probability of the
event?
recorded.
Transcribed Image Text:19. An urn contains two blue balls (denoted B and B2) and three white balls (denoted W, W,, and W,). One ball is drawn, its color is recorded, and it is replaced in the urn. Then another ball is drawn and its color is a. Let B W, denote the outcome that the first ball drawn is B and the second ball drawn is W,. Because the first ball is replaced before the second ball is drawn, the out- comes of the experiment are equally likely. List all 25 possible outcomes of the experiment. b. Consider the event that the first ball that is drawn is blue. List all outcomes in the event. What is the probability of the event? c. Consider the event that only white balls are drawn. List all outcomes in the event. What is the probability of the event? recorded.
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