Eighty students in a school cafeteria were asked if they favored a ban on smoking in the cafeteria. The results of the survey are shown in the table. Class favor Oppose No opinion Freshmen 15 27 8 Sophomore 23 5 2 If a student is selected at random, find these probabilities. show the complete answer a. Given that the student is a freshman, he or she opposes the ban. b. Given that the student favors the ban, the student is a sophomore.

Eighty students in a school cafeteria were asked if they favored a ban on smoking in the cafeteria. The results of the survey are shown in the table. Class favor Oppose No opinion Freshmen 15 27 8 Sophomore 23 5 2 If a student is selected at random, find these probabilities. show the complete answer a. Given that the student is a freshman, he or she opposes the ban. b. Given that the student favors the ban, the student is a sophomore.

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 48E

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Class	favor	Oppose	No opinion
Freshmen	15	27	8
Sophomore	23	5	2