In a Preliminary Work Sample of an Operation, Out of 50

question 25

Essay

In a preliminary work sample of an operation, out of 50 observations the operator was observed idle in 10 observations. What sample size is required for a work sampling study if the desired confidence level is 95% and the desired accuracy level is ± 5%?

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Definitions:

Variable Cost

Expenses that change in proportion to the amount of goods or services produced, like labor and materials.

Diseconomies of Scale

occur when a company or production process becomes less efficient as it scales up, leading to increased average costs per unit.

Minimum Efficient Scale

The smallest level of production at which a firm can achieve the lowest long-term average cost, allowing it to be competitively viable.

3-D Printers

3-D printers are machines that create three-dimensional objects by adding material layer by layer, based on digital models.