Staceyrycz2935 Staceyrycz2935

30-11-2022
Mathematics

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taxes: the internal revenue service reports that the mean federal income tax paid in the year 2010 was $8040. assume that the standard deviation is $5000. the irs plans to draw a sample of 1000 tax returns to study the effect of a new tax law. part: 0 / 50 of 5 parts complete part 1 of 5 (a) what is the probability that the sample mean tax is less than $7900? round the answer to at least four decimal places. the probability that the sample mean tax is less than $7900 is .

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