Question
If you are constructing a confidence interval for a population mean, for the same confidence level, the width of the confidence interval will __________ as
If you are constructing a confidence interval for a population mean, for the same confidence level, the width of the confidence interval will __________ as the sample sizeincreases.
Decrease
Increase
Stay the same
Depends on the sample size
Suppose a 95% CI for the population proportion is [0.35, 0.45]. How should we interpret this confidence interval?
There is a 95% chance that the population proportion lies between 0.35 and 0.45
We are 95% confident that the population proportion lies between 0.35 and 0.45
Both of the above are correct
None of the above
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