Question: Chapter 8 Confidence Intervals (Mean) Progress saved Done Score: 0/14 0/14 answered Question 3 0/1 pt Assume that a sample is used to estimate a

Chapter 8 Confidence Intervals (Mean) Progress saved Done Score: 0/14 0/14 answered Question 3 0/1 pt Assume that a sample is used to estimate a population mean . Find the 9% confidence interval for a sample of size 1021 with a mean of 31.1 and a standard deviation of 11.2. Enter your answer as a tri-linear inequality accurate to 3 decimal places.
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