A mathematics class is composed of 15 freshmen, 7 sophomores, and 4 juniors. Three of the freshmen, two of the sophomores, and one junior receive A grades in the course. If a student is selected at random from the class, find the probability that the student is each of the following. (Enter your probabilities as fractions.) (a) an A student (b) an A freshman student (c) a sophomore

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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A mathematics class is composed of 15 freshmen, 7 sophomores, and 4 juniors. Three of the freshmen, two of the sophomores, and one junior receive A grades in the course. If a
student is selected at random from the class, find the probability that the student is each of the following. (Enter your probabilities as fractions.)
(a) an A student
(b) an A freshman student
(c) a sophomore
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Transcribed Image Text:A mathematics class is composed of 15 freshmen, 7 sophomores, and 4 juniors. Three of the freshmen, two of the sophomores, and one junior receive A grades in the course. If a student is selected at random from the class, find the probability that the student is each of the following. (Enter your probabilities as fractions.) (a) an A student (b) an A freshman student (c) a sophomore Additional Materials M eBook Submit Answer View Previous Question Question 16 of 20 View Next Question MacBook Pro G Search or type URL & %3D 2$ 4 @ #3 6 7 5 3 Y Q W E R K H F CO
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