What does 99 to 21 odds mean?

"What does 99 to 21 odds mean?" Here we will tell you what 99 to 21 odds mean, what 99 to 21 probability means, and show you what a 99 to 21 odds payout would be.

99 to 21 odds
This means that out of 120 possible outcomes, odds are that there will be 99 of one kind of outcome and 21 of another kind of outcome.

For every 120, odds are that 99 will be a particular event and 21 will be another event.

99 to 21 probability
There is a 82.50 percent probability of a particular outcome and 17.50 percent probability of another outcome.

99 to 21 odds payout
If you bet 1 on a game with 99 to 21 odds and you win, your total payout will be 5.71 which is your bet plus 4.71 profit.

Odds vs. Probability
Note that odds and probability are not the same. Odds compare one event to another event, whereas probability compares one event to both possible events. Thus, when the odds are 99 to 21, the fraction for the Odds is 99/21, but the fraction to calculate the probability is 99/120.

Formulas and calculations used for 99 to 21 odds where A=99 and B=21

Odds
A / B =
99 / 21 =
99/21

Probability
A / (A + B) =
99 / (99 + 21) =
99/120 = 82.50%

Payout
((Bet*A)/B)) + Bet =
((1*99)/21)) + 1 =
5.71

Odds Calculator
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What does 99 to 22 odds mean?
Go here for the next odds on our list that we have interpreted.