Use a system of linear equations with two variables and two equations to solve. A number is 11 more than another number. Twice the sum of the two numbers is 38. Find the two
numbers.
Enter the numbers in increasing order.

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