Skip to content

The probability of an event is the reason we have to…

“The probability of an event is the reason we have to believe that it has taken place, or that it will take place. The measure of the probability of an event is the ratio of the number of cases favourable to that event, to the total number of cases favourable or contrary, and all equally possible.” quote by Siméon Denis Poisson
Download Open image
““The probability of an event is the reason we have to believe that it has taken place, or that it will take place. The measure of the probability of an event is the ratio of the number of cases favourable to that event, to the total number of cases favourable or contrary, and all equally possible.””

Siméon Denis Poisson

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Probability quantifies likelihood by comparing favorable to total possible cases.

In simple terms: Probability measures chance by favorable over total possibilities.

Key Takeaway

Use ratios to assess risk and expectation.

Themes

probability ratio chance statistics science

Mood

analytical inquisitive

Type

Belief:0 Chance:1 Math:1 Mathematics:1 Possibility:1 Probability:1 Ratio:1 Reason:0 Science:1 Measure Probability:0 Probability Event:0 Event Ratio:0 Favourable Event:0

When to use this quote

  • gambling
  • medical trials
  • weather forecasting
  • financial risk assessment
  • quality control

Key Concepts

mathematics logic uncertainty decision making

Questions to Reflect On

  • Do you trust statistical ratios in daily choices?
  • How can bias affect probability estimates?
A Different Perspective

Complex events may not fit simple ratio models.

★ ★ ★ ★ ★ No ratings yet

More by Siméon Denis Poisson

Explore all 2 Siméon Denis Poisson quotes

More Belief quotes

Browse all 10,268 Belief quotes