1. At a university, 31% of the students are freshmen, 26% are sophomores, 25% are juniors, and...
Question:
1. At a university, 31% of the students are freshmen, 26% are sophomores, 25% are juniors, and 18% are seniors. One student receives a cash scholarship randomly by lottery. Find the probability that the scholarship winner is as described.
(a) A junior or senior
(b) A freshman, sophomore, or junior
2. In a survey, a sample of college students, faculty members, and administrators were asked whether they favor a proposed increase in the annual activity fee to enhance student life on campus. The table lists the results of the survey.
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Find the probability that a person selected at random from the sample is as described.
(a) A person who opposes the proposal
(b) A student
(c) A faculty member who favors the proposal
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1 a 25 18 43 b 100 ...View the full answer
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