Example 8.4 An educational institution has offered admission to 100 students. On an average, the institution found 20 students secure grade A, 25 students grade B, 20 students grade C and 35 student grade D. What is the probability of selecting a student who has (a) either grade A or B and (b) either grade C or D?
Example 8.4 An educational institution has offered admission to 100 students. On an average, the institution found 20 students secure grade A, 25 students grade B, 20 students grade C and 35 student grade D. What is the probability of selecting a student who has (a) either grade A or B and (b) either grade C or D?
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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