vm 6.2 4 Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 16 4 7 27 25 or over 9 20 13 42 Total 25 24 20 69 If one student is chosen at random,Find the probability that the student was 25 or over OR got an "C".
vm 6.2 4 Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 16 4 7 27 25 or over 9 20 13 42 Total 25 24 20 69 If one student is chosen at random,Find the probability that the student was 25 or over OR got an "C".
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
Question
vm 6.2 4
Giving a test to a group of students, the grades and ages are summarized below
A | B | C | Total | |
Under 25 | 16 | 4 | 7 | 27 |
25 or over | 9 | 20 | 13 | 42 |
Total | 25 | 24 | 20 | 69 |
If one student is chosen at random,
Find the probability that the student was 25 or over OR got an "C".
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