Please answer step by step, applying estimate formulas, use of tables, as well as any assumptions needed to solve the pr

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answerhappygod
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Please answer step by step, applying estimate formulas, use of tables, as well as any assumptions needed to solve the pr

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Please answer step by step, applying estimate formulas, use of
tables, as well as any assumptions needed to solve the problems.
The previous answer you provided me was incomplete. I need
calculations and formulas.
A sample of 49 observations is taken from a normal population
with a standard deviation of 10. The sample mean is 55. Determine
the 99% confidence interval of the population mean.
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