Concept explainers
(a)
To explain:
The complete of the given two-way table.
(a)
Explanation of Solution
Given:
Each entry in a two −way table
Concept used:
Bivariate joint frequency distribution are
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Calculation:
Draw the table
Main floor | Balcony | |
Child | ||
Adult |
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Each entry in a two-way table is called a joint frequency
(b)
To find:
The value of
(b)
Answer to Problem 31E
Explanation of Solution
Given:
Each entry in a two −way table
Concept used:
Bivariate joint frequency distribution are contingency table.
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Calculation:
Draw the table
Main floor | Balcony | Total | |
Child | |||
Adult | |||
Total |
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Each entry in a two-way table is called a joint frequency
Substracting equation (1) and equation (2)
(c)
To find:
Thepercent of tickets are adult tickets of the given two-way table.
(c)
Answer to Problem 31E
Explanation of Solution
Given:
Each entry in a two −way table
Concept used:
Bivariate joint frequency distribution are contingency table.
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Calculation:
Putting
Main floor | Balcony | Total | |
Child | |||
Adult | |||
Total |
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
The percentage of adult tickets is
(d)
To find:
Thepercent of tickets are child tickets of the given two-way table.
(d)
Answer to Problem 31E
Explanation of Solution
Given:
Each entry in a two −way table
Concept used:
Bivariate joint frequency distribution are contingency table.
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
Calculation:
Putting
Main floor | Balcony | Total | |
Child | |||
Adult | |||
Total |
The total row and total column of the marginal distribution while the body of the table is the joint frequencies
The percentage of adult tickets is
Chapter 7 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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