What is the probability that a randomly chosen resident of Town X is female?

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A

B

C

D

E

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Source: Princeton Review

What is the probability that a randomly chosen resident of Town X is female?

1) Town X has 10,000 male residents and 15,000 female residents

2) If the number of male residents of Town X was to increase by 20%, the number of male residents of Town X would be 80% of the number of female residents of Town X

The OA is D
Source: — Data Sufficiency |