What is the value of x? enter your answer in the box. x = the figure contains a pair intersecting lines. one angle is labeled 78 degrees. the angle that is opposite and not adjacent to this angle is labeled x degrees.

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