Highlife corporation has the following information: average demand = 30 units per day average lead time = 40 days item unit cost = $45 for orders of less than 400 units item unit cost = $40 for orders of 400 units or more ordering cost = $50 inventory carrying cost = 15 percent the business year is 300 days. standard deviation of demand during lead time = 90 desired service level = 95 percent what is the safety stock that highlife corporation should carry for its desired service level of 95 percent? 1.28 standard deviations cover 90 percent 1.65 standard deviations cover 95 percent 1.96 standard deviations cover 97.5 percent

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

Can someone me out here number 4 plz

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.