If 50 is the population mean, what percent of the 95% confidence intervals would you expect

| August 30, 2017

Question
1. If 50 is the population mean, what percent of the 95% confidence intervals would you expect to contain 50? Why?

2. Which is wider, 95% or 99% confidence intervals? Why?

3. How does sample size affect the number of intervals that contain 50? Explain.

4. How does sample size affect the width of the intervals? Explain

Below are links to two interactive applets that may help you visualize the concepts.

http://www.ruf.rice.edu/~lane/stat_sim/conf_interval/index.html

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