«
Previous Problem - Statistics: Mean, Median, Mode Next Problem - Triangle Inequality »Probability Basics
A special lottery is to be held to select a high school student of the year. There
are 100 seniors, 500 juniors, and 800 sophomores who applied.
Each senior's name is placed in the lottery 4 times; each
junior's name, 4 times; and each sophomore's name, 3 times.
What is the probability that a senior's name will be chosen?
A) 9/16
B) 1/12
C) 7/13
D) 8/21
E) 3/17