Chris wants to buy a shirt that originally cost $26 but is on sale for 15% off. When he goes to purchase the shirt there is a 4.5% sales tax on the shirt. How much will he pay all together? (round to the nearest cent)

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