A 95 confidence interval is generated which of the, Ask an Expert

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A 95% Confidence Interval is generated. Which of the following would result in a confidence interval that was less wide (i.e. one with a smaller margin of error)? Answer

a. Increasing the sample size

b. Decreasing the sample size

c. Increasing the degree of confidence to 99%

d. We don't have enough information to determine the answer.

e. Both (b) and (c)

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