Craig won first prize in Mrs. Taft's class so he gets to pick a prize from the treasure box. He doesn't know what he wants, so he is going to chose randomly. There are 7 different gift card prizes: McDonalds, Cold Stone, Walmart, Target, Dollar Tree, Starbucks and Dave & Busters. If there is an equal number of each card in the box, what is the probability he will pull out the gift card for Dave & Busters?

Problems and applications q5 four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. here is their willingness to pay for each film: willingness to pay (dollars) shen antonio dmitri jake first film 10 9 8 3 second film 8 7 6 2 third film 6 5 4 1 fourth film 4 3 2 0 fifth film 2 1 0 0 within the dorm room, the showing of a movie a public good. if it costs $12 to rent a movie, the roommates should rent movies in order to maximize the total surplus. suppose the roommates choose to rent the optimal number of movies you just indicated and then split the cost of renting equally. this means that each roommate will pay $ .