4.) Use the confidence level and sample data to find the margin of error E.

College studentsâ€™ annual earnings:

99% confidence, n = 74, = $3967, s = $874

5.)Construct the confidence interval for question 4 above.

6.)Write a statement that correctly interprets the confidence interval found in question 5.

7.)Find the critical value corresponding to a sample size of 19 and a confidence level of 99%.

8.) Find the critical value corresponding to a sample size of 19 and a confidence level of 99%.

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