100*3= 300 Senior tickets
150*2=300 Junior Tickets
300*1=200 Sophomore Tickets
800 Total
300/800 chance
3 out of 8.
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times; each junior's name, 2 times; and each sophomore's name, 1 time. What is the probability that a senior's name will be chosen?
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