Problem 1.5: Assume 100 students in a class took a quiz and a midterm exams. The results were: 65 students passed the quiz, 85 students passed the midterm, and 51 students passed both exams. If a student is chosen at random, what is the probability that: (a) they did not pass the quiz? (b) they passed only one of these exam? (c) they passed at least one if these exams?

Problem 1.5: Assume 100 students in a class took a quiz and a midterm exams. The results were: 65 students passed the quiz, 85 students passed the midterm, and 51 students passed both exams. If a student is chosen at random, what is the probability that: (a) they did not pass the quiz? (b) they passed only one of these exam? (c) they passed at least one if these exams?

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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