Concept explainers
(a)
To calculate: To find the probability of skateboarding being someone’s favorite sport
(a)
Answer to Problem 21PPS
The probability of skateboarding being someone’s favorite sport is
Explanation of Solution
Given information: Graph showing the results of class survey about student’s favorite X Games sport
Formula Used:
Probability is defined as the likelihood of an event.
Probability is calculated as
Calculation:
Graph is given as follows:
From the given graph,
Total number of students that are surveyed is calculated as follows:
Also, number of students having favorite Games sport as Skateboarding
Now, probability of skateboarding being someone’s favorite sport is calculated as
Conclusion:
Hence, required probability is
(b)
To calculate: To find how many students will choose inline as their favorite sport
(b)
Answer to Problem 21PPS
Explanation of Solution
Given information: Graph showing the results of class survey about student’s favorite X Games sport
Formula Used:
Probability is defined as the likelihood of an event.
Probability is calculated as
Calculation:
Graph is given as follows:
From the given graph,
Total number of students that are surveyed is calculated as follows:
Also, number of students having favorite Games sport as Inline skating
Now, probability of inline skating being someone’s favorite sport is calculated as
Now, suppose number of students is
Thus, number of students who will choose inline as their favorite sport is calculated as follows:
Conclusion:
Hence,
(c)
To calculate: To find how many more students will prefer BMX than MotoX
(c)
Answer to Problem 21PPS
Explanation of Solution
Given information: Graph showing the results of class survey about student’s favorite X Games sport
Formula Used:
Probability is defined as the likelihood of an event.
Probability is calculated as
Calculation:
Graph is given as follows:
From the given graph,
Total number of students that are surveyed is calculated as follows:
Also, number of students having favorite Games sport as Inline skating
Now, probability of BMX being someone’s favorite sport is calculated as
Now, suppose number of students is
Thus, number of students who will choose BMX as their favorite sport is calculated as follows:
Similarly, number of students having favorite Games sport as MotoX
Now, probability of MotoX being someone’s favorite sport is calculated as
Now, suppose number of students is
Thus, number of students who will choose MotoX as their favorite sport is calculated as follows:
Hence, more number of students who will prefer BTX than MotoX is calculated as follows:
Conclusion:
Hence,
Chapter 13 Solutions
Pre-Algebra, Student Edition
Additional Math Textbook Solutions
College Algebra (5th Edition)
Elementary Algebra: Concepts and Applications (10th Edition)
College Algebra (6th Edition)
Intermediate Algebra for College Students (7th Edition)
Linear Algebra with Applications (9th Edition) (Featured Titles for Linear Algebra (Introductory))
Introductory and Intermediate Algebra for College Students (5th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education