Mathematics, 21.04.2020 15:28, breniljakenotro

State whether each of the following changes would make a confidence interval wider or narrower. (Assume that nothing else changes.) a. Changing from a 95% confidence level to a 90% confidence level. b. Changing from a sample size of 25 to a sample size of 250. c. Changing from a standard deviation of 20 pounds to a standard deviation of 30 pounds.

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State whether each of the following changes would make a confidence interval wider or narrower. (Ass...