Federal Income Tax Returns. The Wall St1·eetjournal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of tax. payers was $16,642. Assume the standard deviation is σ= $2400. a.What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $200 of the population mean for each of the following sample sizes: 30, so, 100, and 400? b. What is the advantage of a larger sample size when attempting to estimate the population mean?
Federal Income Tax Returns. The Wall St1·eetjournal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of tax. payers was $16,642. Assume the standard deviation is σ= $2400. a.What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $200 of the population mean for each of the following sample sizes: 30, so, 100, and 400? b. What is the advantage of a larger sample size when attempting to estimate the population mean?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Federal Income Tax Returns. The Wall St1·eetjournal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The
a.What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $200 of the population mean for each of the following sample sizes: 30, so, 100, and 400?
b. What is the advantage of a larger
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