In order to estimate the average electric usage per month, a sample of 173 houses was selected and the electric usage was determined. The sample had a mean of 2110 kilowatt-hours and a standard deviation of 330. The objective is to create a 99% confidence interval. What is the margin of error?

the question using the following data, which show all available techniques for producing 20 units of a particular commodityresource resource prices possible production techniques#1 #2 #3 #4 #5land $4 2 4 2 4 4labor 3 1 2 4 1 3capital 3 5 2 3 1 2entrepreneurial ability 2 3 1 1 4 1assuming that the firm is motivated by self-interest and that the 20 units that can be produced with each technique can be sold for $2 per unit, the firm will

4. the condition requires that only one of the selected criteria be true for a record to be displayed.

Why do police officers get paid less than professional baseball players?