**A study wаs dоne tо аscertаin the effectiveness оf a diet program. Two groups of people (on diet and not on diet) were followed to see how many in each group lost weight. The results are summarized in the table below:** | | On Diet | Not on Diet ||----------------|---------|-------------|| Lost Weight | 120 | 80 || Did Not Lose Weight | 180 | 120 | What is the probability that if a person in this study is randomly selected, that person did not lose weight? ( no need to round)