Convert 21 to 87 Odds to Probability

21 to 87 Odds means that there are 21 chances of one outcome and 87 chances of a different outcome.

We will call these different outcomes A and B. Thus, there are 21 A's and 87 B's in 21 to 87 Odds.

21 to 87 Odds can be written as a ratio of 21/87. Instead of a ratio, Probability shows the percent chance of the outcomes A and B.

The two formulas to convert Odds to Probabilities are as follows

(A/(A+B))*100 = A%
(B/(A+B))*100 = B%

When we plug the 21 to 87 Odds numbers into the formulas, we get:

(21/(21+87))*100 = 19.44%
(87/(21+87))*100 = 80.56%

Therefore, 21 to 87 Odds converts to the following Probabilities:

19.44% Probability of A

80.56% Probability of B

So instead of saying 21 to 87 Odds, you could say that there is a 19.44% Probability.

Odds To Probability Converter
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Convert 21 to 88 Odds to Probability
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