What is the probability that a sample of taxpayers from this income group who have itemized deductions will show a sample mean within $221 of the population mean for each of the following sample sizes: 30, 50, 100, and 400? Round your answers to four decimals.
The Wall Street Journal reported that 33% of taxpayers with adjusted gross income between $30,000 and $60,000 itemize to ductions 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 $221 of the population mean for each of the following sample sizes: 30, 50, 100, and 400? Round your answers to four decimals.
b. What is the average of a larger
A large sample increases the probability that the sample mean will be within a specified distance of the population mean. In this instance, the probability of being within+_221 of u
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
