The mean household income in a country in a recent year was about $72,550 and the standard deviation was about $87,000.
Posted: Sun Oct 03, 2021 12:53 pm
The mean household income in a country in a recent year was about $72,550 and the standard deviation was about $87,000. (The median income was $49.239.) a) If a Normal model was used for these incomes, what would be the household income of the top 2%? b) How confident should one be in the answer in part a? c) Why might the Normal model not be a good one for incomes? a) The income would be $ (Round to the nearest dollar as needed.)