In a preliminary work sample of an operation, out of 50 observations the operator was observed idle in 5 observations

What sample size is required for a work sampling study if the desired confidence level is 99% and the desired accuracy level is ± 5%?

n = = = 239.63 or 240 samples

Business

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Which of the following statements is valid?

A. To avoid cluttering your instructions, use as few transitional phrases as possible. B. A usability evaluation is appropriate for instructions, but not for procedures. C. A common format for online instructions is a PDF file. D. Introductions are unnecessary for instructions.

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A will that is executed by two or more testators is known as a ________

A) joint will B) mutual will C) reciprocal will D) nuncupative will

Business