8. In a science class, the grades of a test and gender are summarized below. If one student is chosen at random, find the probability that (a) the student is female and earned an A. (b) the student is female or earned a B. (c) the student is male. (d) the student is female given that the student earned an A. (e) the student got an A given that it is a male student. A B C Total Male 8 18 13 33 Female 10 4 12 48 Total 18 22 25 81

8. In a science class, the grades of a test and gender are summarized below. If one student is chosen at random, find the probability that (a) the student is female and earned an A. (b) the student is female or earned a B. (c) the student is male. (d) the student is female given that the student earned an A. (e) the student got an A given that it is a male student. A B C Total Male 8 18 13 33 Female 10 4 12 48 Total 18 22 25 81

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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