Question: Confidence level: Each student tosses both a penny and a nickel 50 times each and constructs a 90%, a 95%, and a 99% confidence interval

Confidence level: Each student tosses both a penny and a nickel 50 times each and constructs a 90%, a 95%, and a 99% confidence interval for the difference in the proportion of heads. How many of the 90%

confidence intervals would you expect to contain the true value of 0?

How many do? Repeat for the 95% and 99% confidence intervals.

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