Question: Find B and C please Chapter 7 - Part 2 of 3 Score: 0.33 of 1 Estimation Previous Question A random sample of 88 observations

Find B and C please

Chapter 7 - Part 2 of 3 Score: 0.33 of 1 Estimation Previous Question A random sample of 88 observations produced a mean x = 26.2 and a standard deviation s = 2.8. a. Find a 95% confidence interval for u. b. Find a 90% confidence interval for u. c. Find a 99% confidence interval for u. .. ... a. The 95% confidence interval is ( 25.62 , 26.79 ). (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed.) b. The 90% confidence interval is () (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed.)

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