Question: Find the following 95% confidence intervals given that the sample mean is 200 and the sample stdev is 18. 1. n = 30 2. n

Find the following 95% confidence intervals given that the sample mean is 200 and the sample stdev is 18.

1. n = 30

2. n = 300

3. n = 3000.

4. Describe what happens to the width of the confidence interval as the sample size increases.

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