SOLUTION: P(E)= 1/2. odds in favor of the events whose probabilities are given. I know the answer is 1/1 but dont know how I get that.

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Question 869560: P(E)= 1/2. odds in favor of the events whose probabilities are given. I know the answer is 1/1 but dont know how I get that.
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Odds are desired outcomes : undesired outcomes.
In this case, or

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!



Hi

Let's consider: p = 4/7, 

this tell us there are 4 successes out of 7 trials (AND 3 failures out of 7 trials)

ODDs in favor (of success) are 4:3

p = 1/2, 

this tell us there are 1 success out of 2 trials (AND 1 failure out of 2 trials)

ODDs in favor(of success) are 1:1 

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