Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Discover a wealth of knowledge from experts across different disciplines on our comprehensive Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

A recent survey shows that the probability of a college student drinking alcohol is 0. 6. Further, given that the student is over 21 years old, the probability of drinking alcohol is 0. 8. It is also known that 30% of the college students are over 21 years old. The probability of drinking or being over 21 years old is __________.