The owner of a vacuum cleaner company gave a survey to his customers asking them to rate the quality of the three vacuum cleaners he sells. Each respondent rated the quality as high, medium, or low. He compiled the data and created the two-way frequency table below showing the relative frequency by row. The table is titled Relative frequency by row. The table has four columns and four rows. The first column is labeled High, the second column is labeled Medium, the third column is labeled Low, and the fourth column is labeled Total. Row one is labeled Vacuum A, row two is labeled Vacuum B, row three is labeled Vacuum C, and row four is labeled Total. What is the probability that a person who responded to the survey gave the vacuum cleaner a rating of medium