Federal Income Tax Returns. The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between$30,000and$60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was$16,642. Assume the standard deviation is σ=$2400. What is the probability that a sample of taxpayers from this in-come group who have itemized deductions will show a sample mean within$200 of the population mean for sample sizes 30?
Federal Income Tax Returns. The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between$30,000and$60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was$16,642. Assume the standard deviation is σ=$2400. What is the probability that a sample of taxpayers from this in-come group who have itemized deductions will show a sample mean within$200 of the population mean for sample sizes 30?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section: Chapter Questions
Problem 33P: Management of a home appliance store would like to understand the growth pattern of the monthly...
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Federal Income Tax Returns. The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between$30,000and$60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was$16,642. Assume the standard deviation is σ=$2400.
- What is the probability that a sample of taxpayers from this in-come group who have itemized deductions will show a sample mean within$200 of the population mean for
sample sizes 30?
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