cqw5 22 Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 17 4 11 32 25 or over 16 5 9 30 Total 33 9 20 62 If one student is chosen at random,Find the probability that the student was 25 or over OR got an "C".

cqw5 22 Giving a test to a group of students, the grades and ages are summarized below A B C Total Under 25 17 4 11 32 25 or over 16 5 9 30 Total 33 9 20 62 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

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Question

cqw5 22

Giving a test to a group of students, the grades and ages are summarized below

	A	B	C	Total
Under 25	17	4	11	32
25 or over	16	5	9	30
Total	33	9	20	62

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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