Mary has her own business, a nail salon that she runs out of her home. she is the only nail technician but serves many clients in one day. the following tables provide information about time between arrivals and service time required for a manicure. assume the only service offered is a manicure.

time between arrivals

probability

random numbers

10 min

.2

00-19

20 min

.3

20-69

30 min

.2

70-89

40 min

.3

90-99

service time

probability

random numbers

10 min

.3

00-29

20 min

.4

30-69

30 min

.2

70-89

40 min

.1

90-99

random numbers

customer

1

2

3

4

5

6

7

8

9

arrivals

12

19

43

23

6

87

92

45

56

services

12

45

65

78

22

43

58

98

1

the first random number generted for arrivals is used to tell us then the first customer arrives after the shop opens. the second random number generated for service is used to tell us how long the service took.

answer the following questions using the charts above:

1) what time does the first customer arrive if the shop opens at 8 am?

2) what number customer will be the first to wait?

3) how long does the second customers appointment take?

The price of trade suppose that portugal and sweden both produce rye and wine. portugal's opportunity cost of producing a bottle of wine is 4 bushels of rye while sweden's opportunity cost of producing a bottle of wine is 10 bushels of rye. by comparing the opportunity cost of producing wine in the two countries, you can tell thatportugal/sweden has a comparative advantage in the production of wine.andportugal/sweden has a comparative advantage in the production of rye. suppose that portugal and sweden consider trading wine and rye with each other. portugal can gain from specialization and trade as long as it receives more rye for each bottle of wine it exports to sweden. similarly, sweden can gain from trade as long as it receives more bottles of wine for each bushel of rye it exports to portugal. based on your answer to the last question, which of the following prices of trade (that is, price of wine in terms of rye) would allow both sweden and portugal to gain from trade? a. 1 bushels of rye per bottle of wineb. 8 bushels of rye per bottle of winec. 9 bushels of rye per bottle of wined. 3 bushels of rye per bottle of wine

cranium, inc., purchases term papers from an overseas supplier under a continuous review system. the average demand for a popular mode is 300 units a day with a standard deviation of 30 units a day. it costs $60 to process each order and there is a five−day lead−time. the holding cost for a paper is $0.25 per year and the company policy is to maintain a 98% service level. cranium operates 200 days per year.what is the reorder point r to satisfy a 98% cycleminus−service level? a. greater than 1,700 unitsb. greater than 1,600 units but less than or equal to 1,700 unitsc. greater than 1,500 units but less than or equal to 1,600 unitsd. less than or equal to 1,500 units

The amberssen specialty company is a chain of twelve retail stores that sell a variety of imported gift items, gourmet chocolates, cheeses, and wines in the toronto area. amberssen has an is staff of three people who have created a simple but effective information system of networked point-of-sale registers at the stores and a centralized accounting system at the company head- quarters. harry hilman, the head of amberssens is group, has just received the following memo from bill amberssen, sales director (and son of amberssen’s founder). harry—it’s time amberssen specialty launched itself on the internet. many of our competitors are already there, selling to customers without the expense of a retail storefront, and we should be there too. i project that we could double or triple our annual revenues by selling our products on the internet. i’d like to have this ready by - giving, in time for the prime holiday gift-shopping season. bill after pondering this memo for several days, harry scheduled a meeting with bill so that he could clarify bill’s vision of this venture. using the standard con- tent of a system request as your guide, prepare a list of questions that harry needs to have answered about this project.