Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of mu, the mean duration of game play. 4057 3883 3860 4023 4321 4813 4652 4032 5011 4815 4328 4322