Concept explainers
To explain does the confidence interval provide convincing evidence that the two population proportions are equal or not.
Answer to Problem 14E
Yes, it provides the convincing evidence that the two population proportions are equal.
Explanation of Solution
It is given in the question that at
As we can see that the confidence interval contains zero which implies that it is likely that the difference is proportion is zero and thus it is likely that the two population proportions are equal.
Thus, this means that it is possible that the population proportions are equal and thus we conclude that there is no convincing evidence that the two population proportions are not equal.
Chapter 10 Solutions
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