15 percent as a probability
Percent to Probability Converter
What is 15% chance as a 1 in X probability?
Answer
A 15% chance is
≈ 1 in 6.67
= 3 in 20
On average about once per 6.67 tries — not a guarantee: tries are independent. As odds it is 3 to 17 (3 for, 17 against).
| chance | tries | |
|---|---|---|
| 50% | by try 5 | |
| ≈ 67.9% | 7 tries (X rounded) | |
| 90% | by try 15 | |
| 95% | by try 19 | |
| 99% | by try 29 |
15% = 15 ÷ 100 = 0.15; X = 1 ÷ 0.15 ≈ 6.67
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See Also
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Percent to Probability Conversion Table
| Percent | Probability |
|---|---|
| 1% | 1 in 100 |
| 2% | 1 in 50 |
| 3% | ≈ 1 in 33.33 |
| 4% | 1 in 25 |
| 5% | 1 in 20 |
| 6% | ≈ 1 in 16.67 |
| 7% | ≈ 1 in 14.29 |
| 8% | 1 in 12.5 |
| 9% | ≈ 1 in 11.11 |
| 10% | 1 in 10 |
| 11% | ≈ 1 in 9.09 |
| 12% | ≈ 1 in 8.33 |
| 13% | ≈ 1 in 7.69 |
| 14% | ≈ 1 in 7.14 |
| 15% | ≈ 1 in 6.67 |
| 16% | 1 in 6.25 |
| 17% | ≈ 1 in 5.88 |
| 18% | ≈ 1 in 5.56 |
| 19% | ≈ 1 in 5.26 |
| 20% | 1 in 5 |
| 21% | ≈ 1 in 4.76 |
| 22% | ≈ 1 in 4.55 |
| 23% | ≈ 1 in 4.35 |
| 24% | ≈ 1 in 4.17 |
| 25% | 1 in 4 |
| 26% | ≈ 1 in 3.85 |
| 27% | ≈ 1 in 3.7 |
| 28% | ≈ 1 in 3.57 |
| 29% | ≈ 1 in 3.45 |
| 30% | ≈ 1 in 3.33 |