Concept explainers
The correct statement to fill the blank that (a) narrower and would involve a larger risk of being incorrect, (b) wider and would involve a smaller risk of being incorrect, (c) narrower and would involve a smaller risk of being incorrect, (d) wider and would involve a large risk of being incorrect, (e) wider, but it cannot be determined whether the risk of being incorrect would be larger or smaller.
Answer to Problem 21E
The correct option is (b).
Explanation of Solution
Given information:
Confidence interval = 95%
99% confidence interval will contain more true population mean than the 90% confidence interval. Thus, 99% confidence interval will be wider than a 90% confidence interval,
Hence, the correct option is (b).
Chapter 8 Solutions
The Practice of Statistics for AP - 4th Edition
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