2100 randomly selected adults were asked if they think they are financially better off than their parents. The following table gives the two-way classification of the responses based on the education levels of the persons included in the survey and whether they are financially better off, the same, or worse off than their parents. Less Than High School High School More Than High School Better off 140 450 420 Same 60 350 110 Worse off 200 300 70 Suppose one adult is selected at random from these 2100 adults. Find the following probability. Round your answer to three decimal places. P( better off or high school) = i Save for Later Attempts: 2 of 5 used Submit