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Exercise on Population Defective Rate for cell phone factory

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Given the following situation, how would you use Megastat to test whether the population defective rate is greater than 5%? Please outline the process for the test and, if necessary, including the output from Megastat to explain your approach. What assumption do you need to check to make sure that the analysis is valid.

"A random sample of 100 cell phones was inspected in a cell phone factory. It was found that 8 of the cell phone is defective in some way. Based on this data, the auditor wants to perform a statistical test to see that the defective rate of cell phone produced by the factory is greater than 5%."

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Solution Summary

Population defective rate for a cell phone factor is analyzed using statistical methods in this solution.

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