A study of 420,008 cell phone users found that 137 of them developed cancer of the brain or nervous system. Prior to this study of cell phone​ use, the rate of  such cancer was found to be 0.0414​% for those not using cell phones. Complete parts​ (a) and​ (b). a. Use the sample data to construct a 90​% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system.   nothing​%

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.