2. Will the following factors increase the length of a confidence interval? Why? a. Decreasing the...
2. Will the following factors increase the length of a confidence interval? Why?
a. Decreasing the sample proportion
b. Increasing the level of confidence.
c. Increasing the sample size.
Homework Answers
a) By decreasing the sample proportion, the length of the confidence interval will also be decreased.
b) By increasing the confidence level, the margin of error also increases. So that the length of the confidence interval also increases.
c) By increasing the sample size, the Margin of error decreases. So that the length of the confidence interval also decreases.
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