Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 18 10 17 45 25 or over 15 2 12 29 Total 33 12 29 74 If one student is chosen at random, Find the probability that the student was under 25 OR got an "B".
Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 18 10 17 45 25 or over 15 2 12 29 Total 33 12 29 74 If one student is chosen at random, Find the probability that the student was under 25 OR got an "B".
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Giving a test to a group of students, the grades and ages are summarized below
A
B
C
Total
Under 25
18
10
17
45
25 or over
15
2
12
29
Total 33
12
29
74
If one student is chosen at random,
Find the probability that the student was under 25 OR got an "B".
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