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BGonline.org Forums
More data to support making the 2 pt with opening 64
Posted By: Timothy Chow In Response To: More data to support making the 2 pt with opening 64 (David Rockwell)
Date: Tuesday, 9 February 2010, at 3:56 a.m.
David Rockwell wrote:
Assume that it is equally likely that this error manifests in either direction.
...
The only assumption I have made is the that the error could go either way.
No, you made the assumption that it is equally likely that the error manifests in either direction. This is stronger than assuming only that the error could go in either direction. And this is the assumption that Daniel Murphy says might be true, but is an assumption.
In many cases, perhaps including this one, it's reasonable to go from "I have no clue whether X is positive or negative" to "I will assume that X is equally likely to be positive or negative." But being "reasonable" doesn't mean it's not hand-waving.
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