a college sends a survey to a sample of juniors. of the 512 surveyed, 279 live on campus, of whom 110 have a GPA of 2.5 or higher. The other 233 juniors live off campus, of whom 85 have a GPA of 2.5 or higher. Determine the probablity that a survey participant chosen at random lives on campus and has a GPA of 2.5 or greater.
*Note: I think it is 110/279, but am not certain.
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