(a)
To construct a
(a)
Answer to Problem 11E
Explanation of Solution
It is given in the question that, consumer reports published their study of bacterial contamination of chicken in the U.S. Thus, we have,
Let us first check the conditions for the following as:
Random condition: It is satisfied as it is assumed that the sample is randomly selected.
Normal condition: It is satisfied as,
Thus, all the conditions are met. Therefore, now, to find the confidence interval we will use the calculator
Thus, the confidence interval will be as:
(b)
To explain what your confidence interval says about chicken sold in the U.S.
(b)
Explanation of Solution
It is given in the question that, consumer reports published their study of bacterial contamination of chicken in the U.S. Thus, we have,
Let us first check the conditions for the following as:
Random condition: It is satisfied as it is assumed that the sample is randomly selected.
Normal condition: It is satisfied as,
Thus, all the conditions are met. Therefore, the confidence interval is
(c)
To explain is this criticism valid.
(c)
Answer to Problem 11E
No, it is not valid.
Explanation of Solution
It is given in the question that, consumer reports published their study of bacterial contamination of chicken in the U.S. Therefore, the confidence interval is
Chapter 19 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Introductory Statistics
Essentials of Statistics (6th Edition)
Elementary Statistics
Fundamentals of Statistics (5th Edition)
Statistics for Psychology
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