Second-order polynomial models:
A) always curve upward.
B) always curve downward.
C) can curve upward or downward depending on the data.
D) measure interaction between variables.
C
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A security interest is ineffective against the debtor until it "attaches."
a. True b. False Indicate whether the statement is true or false
What is meant by the business judgment rule?
Which of the following statements is (are) true with respect to SIMPLE retirement plans?
I. Only large employers can start a SIMPLE plan, provided the employer does not maintain another qualified plan. II. SIMPLE plans are exempt from most nondiscrimination and administrative rules that apply to qualified plans. A) I only B) II only C) both I and II D) neither I nor II
Kelly's Service Station does a large business in tune-ups. Demand has been averaging 210 spark plugs per week. Holding costs are $.01 per plug per week and reorder costs are estimated at $10 per order. Kelly does not want to be out of stock on more than 1% of his orders. There is a one-day delivery time. The standard deviation of demand is five plugs per day. Assume a normal distribution of
demand during lead time and a 7-day work week. a. What inventory policy do you suggest for Kelly's station? b. What is the average amount of safety stock for the reorder point in (a)? c. What are the total variable weekly costs including safety stock costs?