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(1 point) The following random sample was selected from a normal distribution: 2 15 14 5 13 15 6 10 16 7 (a) Construct

(1 point) The following random sample was selected from a normal distribution: 2 15 14 5 13 15 6 10 16 7 (a) Construct a 90% confidence interval for the population mean . Round intermediate calculations to 5 decimal places and final answers to 4 decimal places. (b) Construct a 95% confidence interval for the population mean . Round intermediate calculations to 5 decimal places and final answers to 4 decimal places.

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