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GRE数学真题
A and B are independent events, and the probability that both events occur is ff...
Question 9
Select one or more answer choices
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A and B are independent events, and the probability that both events occur is
fff\(\frac{1}{2}\)/fff
. Which of the following could be the probability that event A occurs? Indicate all such probabilities.
A.0
B.
fff\(\frac{1}{4}\)/fff
C.
fff\(\frac{1}{2}\)/fff
D.
fff\(\frac{3}{4}\)/fff
E.1
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