Answer
Fill the blanks with
... E occurs ...
... E does not occur.
Work Step by Step
1. Odds in favor of $E=\displaystyle \frac{P(E)}{P(not\ E)}$
2. Odds against $E=\displaystyle \frac{P(not\ E)}{P(E)}$
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Fill the blanks with :
... E occurs ...
... E does not occur.
