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In a contest, a bowl contains 10 keys, one of which will open a treasure chest and nine of which will not. If a contestant selects the key that opens the treasure chest, she wins the contents of that chest. If Anna is allowed to draw two keys, simultaneously and at random, from the bowl as the first contestant, what is the probability that she wins the prize?
A. 1/10
B. 1/9
C. 1/5
D. 19/90
E. 2/9
OA C
Source: Veritas Prep
A. 1/10
B. 1/9
C. 1/5
D. 19/90
E. 2/9
OA C
Source: Veritas Prep
