A production system uses kanban cards to control production and movement of parts. One work center uses an average of 100 pieces per hour of a certain part. Standard containers hold 12 parts. Replenishment time for parts containers is 30 minutes. Management has assigned an inefficiency factor of 10% to this work center. How many containers (kanbans) should be used to support this operation

The returns on the common stock of maynard cosmetic specialties are quite cyclical. in a boom economy, the stock is expected to return 22 percent in comparison to 9 percent in a normal economy and a negative 14 percent in a recessionary period. the probability of a recession is 35 percent while the probability of a boom is 10 percent. what is the standard deviation of the returns on this stock?