Kelly buy shoes with all her money she only has $150 one pair of shoes for her and they cost $40 the other two pairs of shoes are for her sister each other pairs of shoes cost the same price determined the price of one pair of shoes

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 μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307