Chances are I'll be carded at JJ's, because Kera, Sherry, and Bobby were all carded there, and they all look as though they're about 30.
What is the premises and conclusion
Be sure you read through the Related Questions below.
In this statement, we can identify the premises and the conclusion.
Premises:
1. Kera, Sherry, and Bobby were all carded at JJ's.
2. Kera, Sherry, and Bobby all look as though they're about 30 years old.
Conclusion:
Chances are I'll be carded at JJ's.
The premises provide two pieces of information - the experiences of Kera, Sherry, and Bobby, and their apparent age. Based on this information, the conclusion is drawn, suggesting that there is a likelihood of being carded at JJ's because the same outcome may apply to the person making the statement.