We overestimate the probability of positive events and underestimate the probability of negative events. Here are a few resources you can check to ensure you are on the right track:

How2Recycle - How2Recycle (US)
How Do I Recycle?: Common Recyclables | US EPA  (US)
What Is Recycling & What to Recycle | Waste Management (wm.com) (US)
Disposal Recycle Guide - Waste Connections (US)
Understanding recycling symbols | Recycle Now  (UK)