The tool matches your number with the term that most closely approximates it. The results are based on thousands of actual responses to an online survey created by Andrew Mauboussin, a data scientist at Twitter, and his father Michael, research director at BlueMountain Capital Management.

The survey asks people to assign percentages to squishy, probabilistic words like “possibly” and “likely,” offering more precise clarity on how they interpret each one. So far, close to 2,000 people have taken their survey.

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