Concept explainers
The correct option for confidence level and
Answer to Problem 77E
The correct option is (b).
Explanation of Solution
Higher the confidence levelresults larger width of the confidence interval and thus increase in margin of error.Similarly, as the sample size increases more narrowwill be the confidence interval and thus margin of error decreases.
Thus for the smaller margin of error confidence level should be low and the sample size should be high.
Hence, the correct option is (b).
Chapter 8 Solutions
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