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Show transcribed image text 3. A sample of 64 night school students' ages is obtained in order to estimate the mean age of all night school students. 26.0 years. The population variance is 16. (a) What is the parameter of interest? (b) Give a point estimate for pa. (C) Find the 95% confidence interval estimate for the population mean age. (d) Find the 99% confidence interval estimate for the population mean age.
3. A sample of 64 night school students' ages is obtained in order to estimate the mean age of all night school students. 26.0 years. The population variance is 16. (a) What is the parameter of interest? (b) Give a point estimate for pa. (C) Find the 95% confidence interval estimate for the population mean age. (d) Find the 99% confidence interval estimate for the population mean age.
