A Fast Food Stand Has a Thriving Business in Downtown

question 56

Essay

A fast food stand has a thriving business in downtown Portland.They serve 3,500 burgers, 3,000 orders of fries, and 4,000 soft drinks per week.The workers all work 40 hours per week but are idle two percent of the time.The manager wants to try to become more efficient.He has done a time study and found:
It takes 1 additional minute per additional item.The average order size is 3 items.
a.What is the average number of orders per week?
b.What is the average cycle time (in minutes) per order?
c.What is the labor standard (in minutes) per order?
d.How many workers does the manager need per week?

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Definitions:

Margin of Error

The maximum expected difference between the true population parameter and a sample estimate of that parameter.

Estimator's Squared Bias

The squared difference between an estimator's expected value and the true value of the parameter being estimated.

Variance

The average of the squared differences from the Mean, measuring the spread between numbers in a data set.

Point Estimate

A single value or statistic that serves as the best guess or most probable value of an unknown population parameter.