An estimated 1.9 million students take on student loans to pay ever-rising tuition and room and board (The New York Times, April 17, 2009). It is also known that the average cumulative debt of recent college graduates is about $20,500. Let the cumulative debt among recent college graduates be normally distributed with a standard deviation of $6,000. Approximately how many recent college graduates have accumulated a student loan of more than $30,000?

10. problems and applications q10 a market is described by the following supply-and-demand curves: qsqs = = 2p2p qdqd = = 300â’p300â’p the equilibrium price is $ and the equilibrium quantity is . suppose the government imposes a price ceiling of $90. this price ceiling is , and the market price will be $ . the quantity supplied will be , and the quantity demanded will be . therefore, a price ceiling of $90 will result in . suppose the government imposes a price floor of $90. this price floor is , and the market price will be $ . the quantity supplied will be and the quantity demanded will be . therefore, a price floor of $90 will result in . instead of a price control, the government levies a tax on producers of $30. as a result, the new supply curve is: qsqs = = 2(pâ’30)2pâ’30 with this tax, the market price will be $ , the quantity supplied will be , and the quantity demanded will be . the passage of such tax will result in .