Question

We have calculated a 95% confidence interval and would prefer for our next confidence interval to have a smaller margin of error without losing any confidence. In order to do this, we can ________.
I. change the z* value to a smaller number.
II. take a larger sample.
III. take a smaller sample.
Which is the correct answer from above? There can be more than one.

Answer 1

Answer:

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Step-by-step explanation: