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A special lottery is to be held to select a high school student of the year. There
are 300 seniors, 500 juniors, and 500 sophomores who applied.
Each senior's name is placed in the lottery 5 times; each
junior's name, 6 times; and each sophomore's name, 2 times.
What is the probability that a senior's name will be chosen?
A) 7/8
B) 1/3.6666666666667
C) 2/13
D) 3/11
E) 9/7