You had a 2⁄3 chance of picking wrong. Door 1 was false, 2 or 3 is true.If you picked 2/3, should you switch or stay?
- Switch (original odds still apply: 2⁄3 to win)
- Switch (1⁄3 odds become 1⁄2)
- Stay (you had 2⁄3 chance to be right originally)
- Stay (1⁄2 chance either way now)