An investor wants to determine the safest way to structure a portfolio from several investments. investment a produces anaverage annual return of 14% with a variance of 0025. investment b produces an average rate of return of 9% with avariance of 0.015. investment c produces an average rate of return of 8% with a variance of 0.010. investments a and bhave a covariance of 28, and investmentsa and c have a covariance of —0.006. investments b and c have acovariance of 0.00125.a. suppose the investor wants to achieve at least a 12% return. what is the least risky way of achieving this goal? b. suppose the investor regards risk minimization as being five times more important than maximizing return. whatportfolio would be most appropriate for the investor.)

What are some of the miranda restrictions on questioning someone?

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.)

Dollar shave club is an ecommerce start-up that delivers razors to its subscribers by mail. by doing this, dollar shave club is using a(n) to disrupt an existing market. a. innovation ecosystem b. architectural innovation c. business model innovation d. incremental innovation