My estimate of the change in my change jar, $21.06, is exactly right (as determined by counting machine).

Created by Nic_Smith on 2011-02-27; known on 2011-02-28; judged wrong by Nic_Smith on 2011-03-01.

• Nic_Smith estimated 0% on 2011-02-27
• Nic_Smith said “Wasn’t able to get to counting machine today. :(” on 2011-02-28
• Nic_Smith said “Actual amount of change: $18.99” on 2011-03-01
• Nic_Smith   judged this prediction wrong on 2011-03-01.