While traveling across flat land, you notice a giant robot in the distance directly in front of you. The angle of elevation to the top of the top of the robot is 2 degrees. After you drive 5 miles closer to the robot, the angle of elevation is 7 degrees. Approximate the height of the robot in feet.

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