Probability Fundamentals - Briliant Course
- Earth is roughly 70% water and 30% land
- Most cities are on coasts. The amount of costal land is 10% of the land.
- Sea = 0.7
- Inland = 0.27
- Coast = 0.03
- 10% of coastal land is urban
- Sea = 0.7
- Inland = 0.27
- Empty Coast = 0.267
- City = 0.003
takeaway
To calculate a proability, subdivide the grid of all outcomes until you've singled out the desired one, then find its relative area.
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Probability Fundamentals - Briliant Course