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Confidence interval for the population mean

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The mean federal income tax paid last year by a random sample of 36 persons selected from a city was $ 4340. Suppose the standard deviation of tax paid in this city is σ = $ 756. The 95% confidence interval for the population mean (rounded to two decimal places) is:

  • The lower limit is $
  • The upper limit is $

Reference no: EM131435509

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