why say the probablity is 50%,when someboby don't one thing?

Subject: why say the probablity is 50%,when someboby don't one thing?

Date: Mon Mar 12 20:00:30 2007
Posted by meng
Grade level: grad (science) School: SEU
City: NJ State/Province: JS Country: China
Area of science: Physics
ID: 1173754830.Ph

Message:


usually,when we ask somebody a question about what WILL happen,if he or she 
totally do not have idea about it,he or she says the probablity is 50%.For 
example,"the probablity of rainning tomorrow is 50%" ,but I do not think it a 
correct method to explain none-knowing.

Re: why say the probablity is 50%,when someboby don't one thing?

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