There is a 25 percent probability the economy will boom; otherwise, it will be normal. Stock Q is expected to return 18 percent in a boom and 9 percent otherwise. Stock R is expected to return 9 percent in a boom and 5 percent otherwise. What is the standard deviation of a portfolio that is invested 40 percent in Stock Q and 60 percent in Stock R

Based on the supply and demand theory, why do medical doctors earn higher wages than child-care workers?

Electronics assembly inc. is a contract manufacturer that assembles consumer electronics for a number of companies. currently, the operations manager is assessing the capacity requirements as input into a bid for a job to assemble cell phones for a major global company. the company would assemble three models of cell phones in the same assembly cell. setup time between the phones is negligible. electronics assembly inc. operates two 8-hour shifts for 275 days per year. cell phone demand forecast (phones/year) processing time (minutes/phone) mars 47,000 19.8 saturn 35,000 20.7 neptune 7,500 16.2 a. calculate total capacity required by line. b. determine the total operating time available. c. calculate the total number of assembly cells. (round up your answer to the next whole number.)

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?