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Probability Basics

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

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