Concept explainers
To construct and interpret an appropriate confidence interval and discuss any reservation you have about this inference.
Answer to Problem 40RE
Explanation of Solution
It is given in the question that the study is comparing various treatments for eating disorder. let us check the conditions and assumptions necessary for inference as:
Random condition: It is satisfied as the sample was assumed to be randomly selected from the population.
Independent condition: It is satisfied as the sample is independent.
Success/failure condition: It is satisfied because both are greater than ten as,
Thus, all the conditions are satisfied. Therefore, now, to find the confidence interval we will use the calculator
Thus, the confidence interval will be as:
Chapter PV Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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