Given a sample mean of 12.5—drawn from a normal population, a sample of size 25, and a sample variance of 2.4—find a 99% confidence interval for the population mean.

If the demand for a pair of shoes is given by 2p + 5q = 200 and the supply function for it is p − 2q = 10, compare the quantity demanded and the quantity supplied when the price is $90. quantity demanded pairs of shoes quantity supplied pairs of shoes will there be a surplus or shortfall at this price? there will be a surplus. there will be a shortfall.

Which of the following government agencies is responsible for managing the money supply in the united states? a. the u.s. mint b. the federal reserve bank c. congress d. the department of the treasury 2b2t

Which of the following explains why the government sets a required reserve ratio for private banks? a. to allow the government to control the interest rate charged on loans. b. to prevent banks from printing too much money and causing inflation. c. to make sure banks don't run out of money when customers make withdrawals. d. to enable the regulation of risk levels in the decision process of offering loans. 2b2t