Mathematics, 06.11.2019 23:31, lilybrok04
For the year 2010, 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return (the wall street journal, october 25, 2012). the mean amount of deductions for this population of taxpayers was $16,642. assume the standard deviation is Ο = $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, 50, 100, and 400?
b. what is the advantage of a large sample size when attempting to estimate the population mean?
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:30, onlymyworld27
The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?
Answers: 2
Mathematics, 21.06.2019 17:00, MahiraBashir
Evaluate the expression for the given value of the variable 7a - 4a for a =8
Answers: 2
Mathematics, 21.06.2019 22:00, BeautyxQueen
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2β 11/4 xβ 7/4 and y=β 7 /8 x^2+x+ 31/8 ?
Answers: 1
Mathematics, 21.06.2019 23:00, jnsoccerboy7260
The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug
Answers: 2
Do you know the correct answer?
For the year 2010, 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized...
Questions in other subjects:
Mathematics, 25.02.2021 22:20
English, 25.02.2021 22:20
Arts, 25.02.2021 22:20
History, 25.02.2021 22:20
Mathematics, 25.02.2021 22:20
