An economist is interested in studying the incomes of consumers in a particular country. the population standard deviation is known to be $1,000. a random sample of 50 individuals resulted in a mean income of $15,000. what is the width of the 90% confidence interval?
answer

a. 232.60
b. 364.30
c. 465.23
d. 728.60

Why is efficiency an important economic goal?

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

Suppose that with a budget of $110, deborah spends $66 on sushi and $44 on bagels when sushi costs $2 per piece and bagels cost $2 per bagel. but then, the price of bagels falls to $1 per bagel.