9. According to a university questionnaire about the favorite leisure time activity, 60% of the respondents preferred cooking, 20% preferred playing games and 20% preferred meditation. Additionally, graduate students represent 80% of the respondents preferring meditation and 90% of those preferring cooking. Furthermore, 20% of the graduate respondents preferred playing games. If a randomly selected respondent is a graduate student, what is the probability they prefer meditation in their leisure time