gslovestodance651 gslovestodance651

12-04-2024
Mathematics

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An investor wants to estimate the population mean earnings of stocks in the financial services sector. Assuming the population standard deviation of earnings is $1,250, a confidence interval for which of the following would be best for this task?
a) μ, when σ is known
b) μ, when σ is unknown
c) The true mean

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