Question

Based on a careful work study in the Richard Dulski Corp., the results shown in the following table have been observed:


a Photocopyirig machine broken; included as delay in the allowance factor.
b Power outage; included as delay in the allowance factor.

(a) Compute the normal time for each work element.
(b) If the allowance for this type of work is 15%, what is the standard time?
(c) How many observations are needed for a 95% confidence level within 5% accuracy?


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  • CreatedJuly 23, 2013
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