An economist is interested in studying the incomes of consumers in a particular region.

An economist is interested in studying the incomes of consumers in a particular region. The economist needs to know how large a sample should be taken so that a 90% confidence interval for their mean income with an error of $500 can be constructed. If the population standard deviation is known to be $8,000 what sample size would the economist need to use?
 
“Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!”

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now