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A student decides that he should study for 30 minutes every day for two weeks before his exam. Which study strategy is this student using?

What apect of a partial reinforcement schedule contributes most strongly to a behavior’s resistance to extinction?

Katya is an artist in a small town. She enjoys the entire process of painting, from mixing pigments for her signature colors, to the feelings of relaxation and fulfillment that are a part of creating an image.  She feels very pleased when customers purchase her paintings. What type(s) of reward motivate Katya?

Question 1: [10 points]  Choose 2 out of the 3 questions to answer. Limit each response to a maximum of 5 sentences—anything beyond that is too much! If you answer all 3 questions without indicating which two you want graded, only the first two responses will be evaluated. A. [5 points] A newsvendor keeps careful records of the number of papers he sells each day and the various costs that are relevant to his decision regarding the optimal number of newspapers to purchase. For what reason might his results be inaccurate? What would he need to do in order to accurately measure the daily demand for newspapers? B. [5 points] What is the interpretation of safety stock in practical settings? What is the interpretation of safety stock for modeling purposes in lot-size-reorder-point (q,r) systems? C. [5 points] Consider two products with the same margin carried by a retail store. Any leftover units of one product are worthless. Leftover units of the other product can be sold to outlet stores. Which product should have a higher level of availability? Why?

A regression analysis between sales (in $1000) and price (in dollars) resulted in the following equation Ŷ = 50,000 – 8X The above equation implies that an 

For a given level of confidence and a specified population variance, what will happen to the confidence interval for the population mean as the sample size increases? 

Question 4: [26 points]  Report four digits after the decimal for probability-related values. Report two digits after the decimal for quantity-related values. Big Top Pub serves craft beers from microbrewers nationwide as well as snack foods. The manager buys a particular sour beer from a brewing company in Maine that requires three weeks for delivery. The sour beer costs $1 a bottle and may be purchased in any quantity. The fixed ordering cost is $70, and inventory holding costs are calculated using an annual inventory carrying rate of 22 percent. Based on historical data, the weekly demand for the sour beer is normally distributed with a mean of 120 bottles and a standard deviation of 40 bottles. The Big Top Pub manager currently has a policy to place a replenishment order when there is 4-weeks’ supply left. Each order consists of 6-weeks of supply. For the purposes of your calculations, you may assume that there are 48 weeks in a year and that all excess demand is fully backlogged. A. [6 points] What are the reorder level and order quantity currently used at Big Top Pub for the sour beer? B. [10 points] What is the proportion of demand that cannot be satisfied immediately from stock under the current policy?  C. [10 points] What reorder level and order quantity should the manager use if she wishes to ensure that the probability of not stocking out during the lead time is 95 percent? 

Which of the following statements is false regarding the normal distribution?

A simple ANOVA test was conducted by a telecommunications firm on the mean sales results for four different calling plans. The ANOVA null hypothesis was rejected. What does this indicate?

What does the following equal?   6!3! Divided by 4!3!