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:

Completeness

In economics, completeness refers to a property of preferences indicating that any two bundles of goods can be compared, allowing for decisions on which is preferred or if they are equally desirable.

Transitivity

A principle in decision making that if option A is preferred over B, and B is preferred over C, then A should be preferred over C.

Marginal Utility

The extra pleasure or advantage obtained from using an additional unit of a product or service.

Potato Chips

A popular snack made from thin slices of potatoes that are fried or baked until crispy, often seasoned with various flavors.