"We hebben het experiment geprobeerd."
Translation:We have tried the experiment.
Depends a bit on what kind of exercise you get here... the voice clearly (for me as a native at least ;)) says "we" instead of "wij" so if you have to type what you hear it should be "we". If you have to translate from English to Dutch you should be allowed to use both we/wij
Done would imply you finished the experiment. Tried does not. Geprobeerd is translated as tried.