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Choose one or two from the questions below to answer. 5. Consider that your company just...

Choose one or two from the questions below to answer.

5. Consider that your company just received a box of 500 widgets from a new supplier. You would like to know about how many of the widgets are defective. What would be your strategy to create a confidence interval for the proportion of defective widgets in the box? Include sampling strategy, number in sample, and statistical analysis.

6. Consider another student's strategy for this problem, and comment on the accuracy of this strategy. Also, consider increasing the number in the sample, and comment on how that might impact the results.

7. Assume that about 10% of the widgets were defective. Would the different sampling strategies described by other students result in different confidence intervals? Why, or why not?

Math   Statistics-And-Probability   
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