Confidence Intervals

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How would increasing a CL from 90% to 95% affect a CI?

You can get a degree of freedom at

Create a CI for mu using x bar = 10 and E = 2

Create a CI for mu using x bar = 5.3 and E = 1.1

Degrees of freedom d.f. are equal to

The z-score for a CL of 90% is

Create a CI for p using p hat = 7 and E = 0.94

When the sample size n is less than 30, you can use a