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What number line represents the solution set for the inequality -1/2 greater than or equal to 4

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

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