Questions

Question 1

Based on the data in this study, what is the estimate of proportion of items that will ring up at higher prices and thus be counted as a violation? (Hint: Is your estimate a single number or a range of numbers?)

Insert answer here.

Question 2

Based on your answer for Question 1, if an inspector showed up today, would the store manager be 95% confident that the store will pass? Why, or why not?

Insert answer here.

Question 3

If the manager wants to have a margin error of 0.5% (.005), then how many items need to be cross-checked?


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