Economy
To choose the most economical machine for production, to compare between two machines, and then find the percentage of parts rejected have to be for the selected machine? Please put reference and solution step by step
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Questions 25-26. A small brewery has two bottling machines. Machine 1 produces 75% of the bottles...
Questions 25-26. A small brewery has two bottling machines. Machine 1 produces 75% of the bottles of beer while Machine 2 produces 25%. One out of every 20 bottles lled by Machine 1 is rejected because of poor quality, while one out of every 10 bottles from Machine 2 is rejected. 25. What percentage of bottles is rejected? (a) 7.5% (b) 6.25% (c) 8.75% (d) 40% (e) None of the answers is correct. 26. What is the probability that a...
Two different types of injection- moulding machines are used to form plastic parts. A part is...
Two different types of injection- moulding machines are used to form plastic parts. A part is considered defective if it has excessive shrinkage or is discoloured. Two random samples, each of size 300, are selected, and 15 defective parts are found in the sample from machine 1, and 8 defective parts are found in the sample from machine 2. Is it reasonable to conclude that both machines produce the same fraction of defective parts, using a 0.05, find the value...
(b) At a factory where bolts are produced, machines A, B, C produce respectively 25%, 35%...
(b) At a factory where bolts are produced, machines A, B, C produce respectively 25%, 35% and 40% of all bolts. Of the output of these machines, defects constitute 5%, 4% and 2% respectively. A bolt selected at random from the production turned out to be defective. What machine was the most likely to have produced this defective bolt? (give the probability it was this machine.) [5]
10.6.3 Part 1 (Video Solution) Your answer is partially correct. Try again. Two different types of...
10.6.3 Part 1 (Video Solution) Your answer is partially correct. Try again. Two different types of injection-molding machines are used to form plastic parts. A part is considered defective if it has excessive shrinkage or is discolored. Two random samples, each of size 300, are selected, and 16 defective parts are found in the sample from machine 1, while 8 defective parts are found in the sample from machine 2. Is it reasonable to conclude that both machines produce the...
Assignment problem and branch and bound A factory produces a certain type of car parts. There...
Assignment problem and branch and bound A factory produces a certain type of car parts. There are four alternative machines that can be used for the production of the car parts from start to finish. Each of the machines needs to be controlled by an individual operator. The operators have different efficiencies on different machines. The table below shows how many car parts the individual operators produce in average per day. Furthermore, this table shows how many erroneous parts the...
A company is considering purchasing a new machine and has to choose between two options. The...
A company is considering purchasing a new machine and has to choose between two options. The specifications of each are given below. Both machines have 5 years economic life and the tax rate is 50%. Suppose that no tax is paid if the tale income is non-positive. Given that after-tax MARR is 30%, determine which machine to be selected. Machine I Machine II First Cost ($) -90,000 Annual Revenues ($) 20.000 Depreciation Method ſtraight Line Salvage Value ($) 40.000 -80,000...
A company needs to purchase a machine to fabricate a custom part used in its production...
A company needs to purchase a machine to fabricate a custom part used in its production process. Two machines from two different suppliers are currently under consideration. The company has gathered the following information related to the machines from the two suppliers Machine A Machine B Machine price Component cost Component life (units) Machine life (years) $6,750 $245 3,500 $6,.00 $255 4,500 The component cost refers to the cost to replace a component on the machine after a certain number...
2. Consider the following batch flow process consisting of three process steps performed by three machines: Step 1 Step...
2. Consider the following batch flow process consisting of three process steps performed by three machines: Step 1 Step 3 Step 2 Processing time 1 minute/part Processing time 1.5 minute/part Processing time 2 minute/part Setup time No Setup No Setup 20 minutes Work is processed in batch at each step. Before a batch is processed at step 1, the machine has to be set up. During There are no inventory buffers between steps. a setup, the machine is unable to...
Problem 1 (Circle one) The Simple Payback-Period method a. Is exact b. Is simple c. Accounts...
Problem 1 (Circle one) The Simple Payback-Period method a. Is exact b. Is simple c. Accounts for the time value of money d. Considers the salvage value in the analysis Problem 2 (Use the tables provided in the Economics section of the FE) How much should be invested at 12% nominal interest rate today to have $10,000 in 5 years if it is compounded quarterly? Problem 3 A new machine for the manufacture of plastic cutlery cost $158,000. The machine...
Business Calculus
A plastics firm has received an order from the city recreation department to manufacture 8,000 special Styrofoam kickboards for its summer swimming program. The firm owns 10 machines, each of which can produce 30 kickboards an hour. The cost of setting up the machines to produce the kickboards is $20 per machine. Once the machines have been set up, the operation is fully automated and can be overseen by a single production supervisor earning $15 per hour.a. How many of...
Two different types of injection- moulding machines are used to form plastic parts. A part is considered defective if it has excessive shrinkage or is discoloured. Two random samples, each of size 300, are selected, and 15 defective parts are found in the sample from machine 1, and 8 defective parts are found in the sample from machine 2. Is it reasonable to conclude that both machines produce the same fraction of defective parts, using a 0.05, find the value...
(b) At a factory where bolts are produced, machines A, B, C produce respectively 25%, 35% and 40% of all bolts. Of the output of these machines, defects constitute 5%, 4% and 2% respectively. A bolt selected at random from the production turned out to be defective. What machine was the most likely to have produced this defective bolt? (give the probability it was this machine.) [5]
10.6.3 Part 1 (Video Solution) Your answer is partially correct. Try again. Two different types of injection-molding machines are used to form plastic parts. A part is considered defective if it has excessive shrinkage or is discolored. Two random samples, each of size 300, are selected, and 16 defective parts are found in the sample from machine 1, while 8 defective parts are found in the sample from machine 2. Is it reasonable to conclude that both machines produce the...
A company is considering purchasing a new machine and has to choose between two options. The specifications of each are given below. Both machines have 5 years economic life and the tax rate is 50%. Suppose that no tax is paid if the tale income is non-positive. Given that after-tax MARR is 30%, determine which machine to be selected. Machine I Machine II First Cost ($) -90,000 Annual Revenues ($) 20.000 Depreciation Method ſtraight Line Salvage Value ($) 40.000 -80,000...
A company needs to purchase a machine to fabricate a custom part used in its production process. Two machines from two different suppliers are currently under consideration. The company has gathered the following information related to the machines from the two suppliers Machine A Machine B Machine price Component cost Component life (units) Machine life (years) $6,750 $245 3,500 $6,.00 $255 4,500 The component cost refers to the cost to replace a component on the machine after a certain number...
2. Consider the following batch flow process consisting of three process steps performed by three machines: Step 1 Step 3 Step 2 Processing time 1 minute/part Processing time 1.5 minute/part Processing time 2 minute/part Setup time No Setup No Setup 20 minutes Work is processed in batch at each step. Before a batch is processed at step 1, the machine has to be set up. During There are no inventory buffers between steps. a setup, the machine is unable to...
Problem 1 (Circle one) The Simple Payback-Period method a. Is exact b. Is simple c. Accounts for the time value of money d. Considers the salvage value in the analysis Problem 2 (Use the tables provided in the Economics section of the FE) How much should be invested at 12% nominal interest rate today to have $10,000 in 5 years if it is compounded quarterly? Problem 3 A new machine for the manufacture of plastic cutlery cost $158,000. The machine...
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