Consider a 95% confidence interval for mean Spent versus a 99% confidence interval for mean Spent. The
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Question:
Consider a 95% confidence interval for mean Spent versus a 99% confidence interval for mean Spent. The ratio of the length of the 99% interval to the length of the 95% interval is which of the following?
a. 1.47
b. 1.15
c. 1.32
d. 0.75
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