Concept explainers
(a)
To explain we cannot use this information to construct a confidence interval for the rate of occurrence of early hip dysplasia among all six-month old puppies.
(a)
Explanation of Solution
It is given in the question that canine hip dysplasia is a degenerative disease that causes pain in many dogs. A veterinarian checked
Random condition: It is satisfied as we assumed that the sample was randomly selected from the population.
Independent condition: It is satisfied as we can assume that the sample is independent.
Success/failure condition: It is not satisfied because both are not greater than ten as,
Thus, all the conditions are not satisfied. So, we cannot use this information to construct a confidence interval for the rate of occurrence of early hip dysplasia among all six-month old puppies.
(b)
To construct a “plus-four” confidence interval and interpret it in this context.
(b)
Answer to Problem 13E
We are
Explanation of Solution
It is given in the question that canine hip dysplasia is a degenerative disease that causes pain in many dogs. A veterinarian checked
Thus, all the conditions are not satisfied. So, we cannot use this information to construct a confidence interval for the rate of occurrence of early hip dysplasia among all six-month old puppies. So, let us construct a “plus-four” confidence interval as:
Let us add two to success and failure condition as,
And now, to find the confidence interval we will use the calculator
Thus, the confidence interval will be as:
Thus, we are
Chapter 21 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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