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VOICE TESTING by Jan Forster

Beyond the fact that with only 3 cards, you have at LEAST a 33% chance of being right, (heck 1 in 3), can this be made more convincing by increasing the number of cards? If there were say, 20 cards, and you were then able to say exactly what it was the first time, then that would be much greater than chance alone & indeed be much more convincing.

Asked at 01:54pm on May 7th, 2019 by kaplan123 (12 karma)
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Using the current method you must use only 3 cards.

Answered at 01:55pm on May 8th, 2019 by joshburch (234 karma)
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It wouldn't be more convincing, 3 is enough.

Answered at 03:53am on May 12th, 2019 by Unibert (0 karma)
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