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To determine the standard working time for a special job, following observation data is collected: Observation 1 2 3 4 5 6 7 8 Time (in second) 17 18 15 14 13 15 16 13 a) If the person observed worked at a pace that is 80 percent of normal, and if the appropriate allowance for this task is 25 percent of job time, what should be the standard time? b) How many observations would be needed to be 95% confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 2 seconds. c) How many observations would be needed to be 99 % confident that the maximum error is 5% of the observed time? Assume that the standard deviation of the task time is 2 seconds. Thank you!! Please show the work so I know how to properly solve.
Using the cut-and-try method for aggregate operations planning we can determine the production requirement in units of product. If the beginning inventory is 500 units, the demand forecast is 1,000
Why were they successful? Did they need to overcome any challenges along the way? What lessons can we take away from their experience.
Determine the expected number of nonconforming units that will result from a production run of 20,000 units. Assume that all previously stated conditions regarding the process remain as described during the production run of 20,000.
If the blend needs to score at least 300 points for shade tolerance, 400 points for traffic resistance also 750 points for drought resistance, describe how many pounds of every seed should be in the blend. Describe how much will the blend cost.
Formulate this problem as an LP model in a spreadsheet and solve using Solver. How many dehumidifiers should be built in Atlanta, next month? How many in Phoenix?
A University Web server has five main components each with the same reliability. All five components must work for the server to function as intended.
Can you separate workplace stress and personal non-work related stress? What would you say is the difference between anxiety, burnout, stress, and tension?
A manager must decide how many machines of a certain type to purchase. Each machine can process 100 customers per day. One machine will result in a fixed cost of $2000 per day.
Riverside Metal Works produces cast bronze valves on a 10-person assembly line. On a recent day, 160 valves were produced during an 8-hour shift.
What are some possible explanations for the complaints and what actions might the manager comtemplate?
What is the crossover point between the existing process and the proposed process? If the owner expects to sell 9,000 pizzas, should he get the new oven?
Organizational Strategy is Critically evaluate information from core business functions to enhance organizational knowledge
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