Question: Go to artofstat.com, click on WebApps and open the Explore Coverage app.Change the tab on top of the graph to Confidence Interval for a Mean.

Go to artofstat.com, click on WebApps and open the Explore Coverage app.Change the tab on top of the graph to Confidence Interval for a Mean. Change the Population Distribution to Bell-shaped and use the default mean=50 and standard deviation=10.

Under "Choose confidence level (in %)" use the default 95, and under "Select sample size (n)" use the default of n=20. Under "Select how many samples (of size n) you want to draw from the population" select 10. Click on "Draw sample(s)" and note that tenconfidence intervals appear under the population graph.

UnderCoverage,the app displays two percentages - "cover" and "do not cover". Coverage represents:

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