← Probability Studio

Chapter 12

Chance and data

From probability to samples: why estimates settle, and why the error shrinks like 1/√n.

1

The share settles, the difference doesn't

Flip a fair coin 4,000 times and watch two things: the share of heads, and how many heads above or below half you are.

1/20.70.3share of heads0+20−20heads minus half the flips04,000flips
Final round →