Question

Defective electronics: A simple random sample of 200 electronic components was tested, and 17 of them were found to be defective.
a. Construct a 99% confidence interval for the proportion of components that are defective.
b. Use the results from the sample of 200 to estimate the sample size needed so that the 99% confidence interval will have a margin of error equal to 0.04.


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  • CreatedSeptember 23, 2015
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