nNEZOU's Murphy's Law Calendar

If anything can go wrong, it will.

The 50 – 50 – 90 Rule

Anytime you have a 50  50 chance of getting something right, there’e a 90 percent probability  you’ll getting wrong.
正しくできる確率が50-50だとすると、間違う確率は90パーセントである
50-50-90の規則
posted by ndaznnez in That's Life…人生こんなもんだて,悲観主義或いは戒め - Pessimism and admonition and have No Comments

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