Uneven Odds

The “take 20” rule in 3rd Edition worked but was awkward. Unless there was a time limit, there was no reason not to spend 2 minutes completely checking every inch of every 5-cubic-feet of a room. Or spend a similar time really getting through a lock. It was generally faster to roll though…
Generally.

I think every gamer can recall an instance where they roll a dozen times and never get over a seven. Where the laws of probability break down specifically to give you the finger.