I am the author of the 50/80 rule.

If there is a 50/50 choice, there is an
80% chance of getting it wrong.

Christopher A. Young
Learn more about Jesus
www.lds.org
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"Red Green" wrote in message
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97.3% of all statistics are made up on the spot........

I once saw a stat like: "We are 98% right 25% of the time".