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Racer josh (joshanderson96)
Race Number 3605
Date Thu, 26 Mar 2020 18:48:51 +0000
Speed 52 WPM Try to beat?
Accuracy 95.0%
Rank 3rd place (out of 5)
Opponents arce00 (4th place) arcq123 (5th place) koynavich (2nd place)

Text typed:

Property (c) is known as countable additivity. It is not something that can be proved, but it is like an assumption or an axiom. In our experience, we have seen that operating as if the assumption is correct leads to useful and credible answers to many problems, so we accept it as a reasonable assumption. Not all probabilists agree that countable additivity is natural.
Fundamentals of Probability: A First Course (book) by Anirban DasGupta (see stats)

Typing Review: