Reference no: EM13229182
1 Andrew McGregor forecast weekly demand for MP 411 pumps as follows:
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Week
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
|
Demand
|
1
|
6
|
10
|
21
|
18
|
7
|
4
|
3
|
2
|
4
|
15
|
|
Week
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
|
Demand
|
27
|
38
|
51
|
40
|
22
|
12
|
8
|
6
|
7
|
2
|
3
|
Each pump costs £80, it costs £800 to place an order and get delivery, and holding cost is 20 per cent of value a year. Design a reasonable ordering policy for the pump. How much does this cost a year?
2 At the beginning of December Southern Conifers Limited employ a contractor to cut enough trees to meet the expected demand for Christmas trees. They sell these to a local wholesaler in batches of 100. Over the past few years the demand has been as follows.
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Batches
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1
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2
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3
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4
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5
|
6
|
7
|
8
|
9
|
|
Probability
|
0.1
|
0.1
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0.2
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0.2
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0.1
|
0.1
|
0.1
|
0.1
|
0
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If it costs £16 to cut and trim a tree that sells for £25, how many trees should the company cut down?
3 The demand for an item is Normally distributed with mean of 40 units and standard deviation of 4 units a month. The lead time is one month, shortage cost is £200, reorder cost is £40, and holding cost is £4. What are optimal values for the order quantity and reorder level? 5.6 Lee Brothers advertise a 90 per cent cycle-service level for all stock items. Stock is replenished from a single supplier who guarantees a lead time of 4 weeks. What reorder level should they use for an item that has a Normally distributed demand with mean 2,000 units a week and standard deviation of 200 units? What is the reorder level for a 95 per cent cycle-service level? What is the effect of moving to a periodic review method with interval of 2 weeks?
4 Demand for an item is 100 units a week with a standard deviation of 10 units. Lead time is one week and the reorder level used is 115 units. What is the probability of running out of stock?
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What is the period and spectrum of the signal
: Consider the signal x (t) = 10+ 20 cos (100*2 t + 4) + 10 cos (250*2 t ) A. Using Euler's relation, the signal x(t) defined by the above equation can be expressed as a sum of complex exponentials in the form X(t) = x0 + Re{k=1N Xkejk2fot}
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Define the use of regional trade organizations
: Define the use of regional trade organizations in international business. Identify the Regional Trade Organization of which the United States is a member. What are some of the advantages and disadvantages of membership?
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Identify three of the criminal penalties that can be charged
: Identify three of the criminal penalties that can be charged under the Sarbanes-Oxley Act. How do these sections of the Sarbanes-Oxley Act promote ethical behavior by corporations?
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Is herzog a partner in the a1a car wash business
: Fring had not agreed to give White and Pinkman authority to make such an agreement. Is Herzog a partner in the A1A car wash business?
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What is the probability of running out of stock
: Demand for an item is 100 units a week with a standard deviation of 10 units. Lead time is one week and the reorder level used is 115 units. What is the probability of running out of stock?
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Determine the power output and the annual energy produce
: A 1.2 MW wind turbine has a rotor diameter of 64 m. the turbine operates in an area with an average wind velocity of 7.5 m/s and the air density of 1.18 kg/m^3. the turbine power coefficient including the unit efficiency is 42.8 percent.
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Explain what is the equilibrium concentration of no2
: 15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
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Discuss the liability of each party and the potential amount
: As a result, Ralph sues to recover damages and names Kotaku, LP, Bob, Carol, Ted, Alice, and Nick in the lawsuit. Discuss the liability of each party and the potential amount Ralph might recover from each.
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Why does the ucc allow for the buyer to sue for breach
: Why does the UCC allow for the buyer to sue for breach of warranty? In your opinion, are the protections necessary? Why, or why not?
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