Question
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The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal reported 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 taxpayers was $15,071. Assume that the standard deviation is 82,790. Use 2-table.
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, 50, 100, and 4007 Round your answers to four decimals.
b. What is the advantage of a larger sample size when attempting to estimate the population mean?
A larger sample - Select your answer the probability that the sample mean will be within a specified distance of the population mean. In the automobile insurance example, the probability of being within 200 of a ranges from for a sample of size 30 to for a sample of size 400.
Solutions
milcah answered 2 years agoRelated Solutions
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal reported 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 taxpayers was $17,696. Assume that the standard deviation is o = $2,256. Use z-table. a. What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $229 of the population mean for each of the...
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal
reported 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
taxpayers was $17,743. Assume that the standard deviation is σ =
$2,581. Use z-table.
a. What is the probability that a sample of taxpayers from this
income group who have itemized deductions will show a sample mean
within $227 of the population mean for each of...
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal reported 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 taxpayers was $16,675 . Assume
that the standard deviation is $2,645 . Use z-table. a. What is the
probability that a sample of taxpayers from this income group who
have itemized deductions will show a sample mean within $194 of the
population mean for each of...
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal reported 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 taxpayers was $16,928 . Assume
that the standard deviation is $2,903.
(a) What is the probability that a sample of taxpayers from this
income group who have itemized deductions will show a sample mean
within $151 of the population mean for each of the following sample...
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal reported 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 taxpayers was $15,968. Assume
that the standard deviation is $2,190. Use z-table.
a. What is the probability that a sample of
taxpayers from this income group who have itemized deductions will
show a sample mean within $184 of the population mean for each of
the following...
1) The Wall Street Journal reported that of 33% taxpayers with adjusted gross incomes between $30,000...
1) The Wall Street Journal reported that of 33% 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 taxpayers was $15,772. Assume
that the standard deviation is $2,681. Use z-table.
a. What is the probability that a sample of taxpayers from this
income group who have itemized deductions will show a sample mean
within of the population mean for each of the following...
The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal 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 taxpayers was $16,642. Assume the
standard deviation is
σ = $2,400.
(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...
The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal 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 taxpayers was $16,642. Assume the
standard deviation is
σ = $2,400.
(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...
The Wall Street Journal reports that 33% of taxpayers with adjusted gross incomes between $30,000 and...
The Wall Street Journal 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 taxpayers was $16,642. Assume the
standard deviation is
σ = $2,400.
(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...
The Wall Street Journal reported that of taxpayers with adjusted gross incomes between and itemized deductions...
The Wall Street Journal reported that of taxpayers with adjusted
gross incomes between and itemized deductions on their federal
income tax return. The mean amount of deductions for this
population of taxpayers was . Assume that the standard deviation is
. Use z-table. a. What is the probability that a sample of
taxpayers from this income group who have itemized deductions will
show a sample mean within of the population mean for each of the
following sample sizes: , ,...
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