EBK MATHEMATICS FOR ELEMENTARY TEACHERS
5th Edition
ISBN: 9780134506609
Author: Beckmann
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Textbook Question
Chapter 4.1, Problem 9P
a. A 40-member club will elect a president and then elect a vice president. How many possible outcomes are there?
b. A 40-member club will elect a pair of copresidents. How many possible outcomes are there?
c. Are the answers to (a) and (b) the same or different? Explain why they are the same or why they are different.
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Students have asked these similar questions
42. Consider the following joint probability table.
B₁
B2
B3
B4
A
0.09
0.22
0.15
0.20
A
0.03
0.10
0.09
0.12
EXERCISES 4.3
Mechanics
41. Consider the following contingency table.
B
B
A
26
34
Ac
14
26
a. Convert the contingency table into a joint probability table.
b. What is the probability that A occurs?
ن فة
What is the probability that A and B occur?
d. Given that B has occurred, what is the probability that
A occurs?
e. Given that A has occurred, what is the probability that
B occurs?
f.
Are A and B mutually exclusive events? Explain.
g.
Are A and B independent events? Explain.
42. Consider the following joint probability table.
B₁
B2
B3
BA
A
0.09
0.22
0.15
0.20
Ac
0.03
0.10
0.09
0.12
Stem1: 1,4
Stem 2: 2,4,8
Stem3: 2,4
Stem4: 0,1,6,8
Stem5: 0,1,2,3,9
Stem 6: 2,2
What’s the Min,Q1, Med,Q3,Max?
Chapter 4 Solutions
EBK MATHEMATICS FOR ELEMENTARY TEACHERS
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