(table: pumpkin market) there are two consumers, andy and ben, in the market for pumpkins. their willingness to pay for each pumpkin is shown in the table pumpkin market. there are two producers of pumpkins, cindy and diane, and their costs are also shown. the equilibrium price for pumpkins is $8 and the equilibrium quantity is 5. at the equilibrium price and quantity, total consumer surplus is:

Which statement below best describes george waring's approach to solving the problems of water-borne illness? a. waring is going with his "gut," because he believes that instincts and emotions are the best guides for action. b. waring efficiently and thoroughly lays out the case for why the problems are too large and overwhelming to be solved: people should just move out of cities back to their farms. c. waring has gathered the testimonies of people who live in densely populated areas in order to learn how they themselves have solved their problems. d. waring exhibits the industrial age's increased respect for and reliance on science and the scientific method.

Bakery has bought 250 pounds of muffin dough. they want to make waffles or muffins in half-dozen packs out of it. half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. it take bakers 6 minutes to make a half-dozen of waffles and 3 minutes to make a half-dozen of muffins. their profit will be $1.50 on each pack of waffles and $2.00 on each pack of muffins. how many of each should they make to maximize profit, if they have just 20 hours to do everything?

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.