Suppose the standard deviation of tax paid in this city is


A mean federal income tax paid last year by a random sample of 44 persons selected from a city was $4,282. Suppose the standard deviation of tax paid in this city is $914. The 95% confidence interval for the population mean (rounded to two decimal place) is:

The lower limit is  $=

The upper limit is $=

Please show the steps.

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Finance Basics: Suppose the standard deviation of tax paid in this city is
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