169  probability
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A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 110 seniors, 80 juniors, and 170 sophomores who applied. Each senior's name is placed in the lottery 7 times; each junior's name, 4 times; and each sophomore's name, 3 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)



A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 80 seniors, 80 juniors, and 120 sophomores who applied. Each senior's name is placed in the lottery 6 times; each junior's name, 6 times; and each sophomore's name, 4 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)



A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 90 seniors, 130 juniors, and 110 sophomores who applied. Each senior's name is placed in the lottery 6 times; each junior's name, 7 times; and each sophomore's name, 3 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)

A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 110 seniors, 110 juniors, and 110 sophomores who applied. Each senior's name is placed in the lottery 9 times; each junior's name, 4 times; and each sophomore's name, 4 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)



A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 60 seniors, 110 juniors, and 140 sophomores who applied. Each senior's name is placed in the lottery 6 times; each junior's name, 4 times; and each sophomore's name, 2 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)



한글 A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 110 seniors, 80 juniors, and 160 sophomores who applied. Each senior's name is placed in the lottery 7 times; each junior's name, 7 times; and each sophomore's name, 2 time. What is the probability that a senior's name will be chosen?(Nearest to 1 %)

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