The time required to assemble a part of a machine follows an exponential probability distribution with a mean of 14 minutes. What is the probability that the part can be assembled between 3.5 and 7 minutes? A 0.88 B 0.9 C 1 D 0.172 The Mean = 14. 1.Find the Lambda2.Probabiility Description and Formulation. 3.Solve

The time required to assemble a part of a machine follows an exponential probability distribution with a mean of 14 minutes. What is the probability that the part can be assembled between 3.5 and 7 minutes? A 0.88 B 0.9 C 1 D 0.172 The Mean = 14. 1.Find the Lambda2.Probabiility Description and Formulation. 3.Solve

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter10: Introduction To Simulation Modeling

Section: Chapter Questions

Problem 41P: At the beginning of each week, a machine is in one of four conditions: 1 = excellent; 2 = good; 3 =...

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At the beginning of each week, a machine is in one of four conditions: 1 = excellent; 2 = good; 3 = average; 4 = bad. The weekly revenue earned by a machine in state 1, 2, 3, or 4 is 100, 90, 50, or 10, respectively. After observing the condition of the machine at the beginning of the week, the company has the option, for a cost of 200, of instantaneously replacing the machine with an excellent machine. The quality of the machine deteriorates over time, as shown in the file P10 41.xlsx. Four maintenance policies are under consideration: Policy 1: Never replace a machine. Policy 2: Immediately replace a bad machine. Policy 3: Immediately replace a bad or average machine. Policy 4: Immediately replace a bad, average, or good machine. Simulate each of these policies for 50 weeks (using at least 250 iterations each) to determine the policy that maximizes expected weekly profit. Assume that the machine at the beginning of week 1 is excellent.
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A manager is going to purchase new processing equipment and must decide on the number ofspare parts to order with the new equipment. The spares cost $200 each, and any unused spareswill have an expected salvage value of $50 each. The probability of usage can be described by thisdistribution:Number 0 1 2 3Probability .10 .50 .25 .15If a part fails and a spare is not available, two days will be needed to obtain a replacementand install it. The cost for idle equipment is $500 per day. What quantity of spares should beordered?a. Use the ratio method.b. Use the tabular method (see Table 13.3).
A workshop has 20 nos. of identical machines. The failure pattern of the machine is given below:- Elapsed time after Maintenance attention (in month) 1 2 Probability of failure 3 4 5 6 0.20 0.15 0.15 0.15 0.15 0.20 It costs 150 to attend a failed machine and rectify the same. Compute the yearly cost of servicing the broken down machines.
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13 4. A ramp is attached to a mover's truck. The ramp is 7 ft long and the truck is 6 ft from the bottom of the ramp. A diagram of the ramp with dimensions is below. 7 ft x 6 ft To the nearest degree, determine the angle that the ramp makes with the ground. Hint: 0 = = adjacent hypotenuse = trig ratio used Remember you will need to use your inverse function on your calculator to find the angle.
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How do I get the 0.20 for probability in excel?
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The second law of thermodynamic, according to Clausius statement says Select one: a. it is impossible to construct a device than can transfer heat from a hotter body to a cooler body without any effect b. it is possible to construct a device that can transfer heat from a hotter body to another hooter body without any effect c. it is possible to construct a device than can transfer heat from a cooler body to a hotter body without any effect d. it is impossible to construct a device than can transfer heat from a cooler body to a hotter body without any effect.
1. Suppose that you are an ammunition manufacturer and that your manufacturing process yields a true % of defects of 2.5%. The probability of accepting a lot of 40,000 cartridges for a sample of 3000 with 15 defects is 85%. The AOQ for this set of 40,000 cartridges is _____ %. 2. You are the process improvement manager and have just purchased a metal sheet roller to form gasket material for high-performance engines. You are excited because the company's goal is 6 sigma (no more than 3.4 defects per million) and this machine may be the innovation that you need. The gaskets cannot be more than 0.0002 in from the required thickness of 0.025 in. You want to know if you should replace the existing roller that has a Cpk = 1.0. The new sheet roller has a Cpk = ___. Round the answer to 2 decimal places.