If the economy booms, RTF, Inc., stock is expected to return 13 percent. If the economy goes into a recessionary period, then RTF is expected to only return 2 percent. The probability of a boom is 82 percent while the probability of a recession is 18 percent. What is the variance of the returns on RTF, Inc., stock?

Four students are at an extracurricular activity fair at their high school and are trying to decide which clubs to join. some information about the students is listed in this chart: which describes which ctso each student should join?

The owner of firewood to go is considering buying a hydraulic wood splitter which sells for $50,000. he figures it will cost an additional $100 per cord to purchase and split wood with this machine, while he can sell each cord of split wood for $125. if, for this machine, design capacity is 50 cords per day, effective capacity is 40 cords per day, and actual output is expected to be 32 cords per day, what would be its efficiency?

What business practice contributed most to andrew carnegie’s ability to form a monopoly?