Check whether which confidence level used in the sample 80%, 90%, 95%, or 99%.
Answer to Problem 10E
The confidence level use in the sample is 99%.
Explanation of Solution
Given Information:
The given figure is
Explanation:
From the figure, the number of samples that do not contain true proportion mean = 0
Thus, 25 out of the 25 samples contain the true proportion.
The confidence level
Convert 1 into percentage.
Given confidence interval for each sample are 80%, 90%, 95% and 99%.
99% is the nearest confidence level to the calculated confidence level.
Hence, the confidence level use in the sample is 99%.
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