Concept explainers
(a)
To Explain: that two games are independent yes or not.
(a)
Answer to Problem 21E
Not
Explanation of Solution
Given:
Calculation:
Suppose that
F = win first game
S = win second game
Tree diagram
Since
(b)
To find: the probability that lose both games.
(b)
Answer to Problem 21E
0.42
Explanation of Solution
Given:
Formula used:
Calculation:
Suppose that
F = win first game
S = win second game
Tree diagram
(c)
To find: the probability that win both games.
(c)
Answer to Problem 21E
0.08
Explanation of Solution
Given:
Formula used:
Calculation:
Suppose that
F = win first game
S = win second game
Tree diagram
(d)
To find: the probability model for X.
(d)
Explanation of Solution
Given:
Calculation:
Suppose that
F = win first game
S = win second game
Tree diagram
X be the number of games that win.
Following table is the probability model.
X | 0 (
) | 1
| 2 (
) |
P(X) | 0.42 | 0.32+0.18 = 0.5 | 0.08 |
(e)
To find: the
(e)
Answer to Problem 21E
Expected value is 0.66 and standard deviation is 0.62
Explanation of Solution
Given:
Formula used:
Calculation:
Suppose that
F = win first game
S = win second game
Tree diagram
Expected value is
Calculate variance first
Chapter 16 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Fundamentals of Statistics (5th Edition)
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman