Students at University X must have one of four class ranks-freshman, sophomore, junior, or senior. At University X, 35% of the students are reshmen and 30% are sophomores. If a University X student is selected at random, the probability that he or she is either a junior or a senior is a 70% b 35% 30% d. 65% O O O O

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 25E
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Students at University X must have one of four class ranks-freshman, sophomore, junior, or senior. At University X, 35% of the students are
freshmen and 30% are sophomores. If a University X student is selected at random, the probability that he or she is either a junior or a senior is
a
70%
35%
30%
O d
65%
O O o O
Transcribed Image Text:Students at University X must have one of four class ranks-freshman, sophomore, junior, or senior. At University X, 35% of the students are freshmen and 30% are sophomores. If a University X student is selected at random, the probability that he or she is either a junior or a senior is a 70% 35% 30% O d 65% O O o O
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