Compute the normal time for each work element

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Reference no: EM131258577

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

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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? ( Hint: Calculate the sample size of each element.)

Reference no: EM131258577

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