Mathematics, 30.11.2020 21:20 awesomegamergurl13
He Internal Revenue Service reports that the mean federal income tax paid in the year was 8040. Assume that the standard deviation is 4900 . The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law. What is the probability that the sample mean tax is less than 8200 ? Round the answer to at least four decimal places.
Answers: 2
He Internal Revenue Service reports that the mean federal income tax paid in the year was 8040. Assu...
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