Giving a test to a group of students, the grades and genders are summarized below. A B C Total Male 10 19 9 38 Female 13 16 11 40 Total 23 35 20 78 If one student is chosen at random, find the probability that the student was male OR received a grade of "B". (Leave answer to four decimal places.)

Giving a test to a group of students, the grades and genders are summarized below. A B C Total Male 10 19 9 38 Female 13 16 11 40 Total 23 35 20 78 If one student is chosen at random, find the probability that the student was male OR received a grade of "B". (Leave answer to four decimal places.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter7: Percents

Section7.1: Percents And Fractions

Problem 29E

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Question

Giving a test to a group of students, the grades and genders are summarized below.
A
B
C
Total
Male
Female
10
19
9
38
13 16
11
40
Total 23
35
20
78
If one student is chosen at random,
find the probability that the student was male OR received a grade of "B". (Leave answer to four decimal
places.)

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