You intend to estimate a population mean u with the following sample. 3.3 41.8 3.4 39.9 47.8 68.7 32 -0.9 29.1 You believe the population is normally distributed. Find the 99.9% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place). 99.9% C.I. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places

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You intend to estimate a population mean μ with the following sample.

Sample Data:
- 3.3
- 41.8
- 3.4
- 39.9
- 47.8
- 68.7
- 32
- -0.9
- 29.1

You believe the population is normally distributed. Find the 99.9% confidence interval. Enter your answer as an open interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).

99.9% C.I. = [Input Box]

Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
Transcribed Image Text:You intend to estimate a population mean μ with the following sample. Sample Data: - 3.3 - 41.8 - 3.4 - 39.9 - 47.8 - 68.7 - 32 - -0.9 - 29.1 You believe the population is normally distributed. Find the 99.9% confidence interval. Enter your answer as an open interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 99.9% C.I. = [Input Box] Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
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