If you dealt thousands of poker hands, the fraction of them that contain three of a kind will be very close to 1/50.

If you deal 50 poker hands, then one of them will contain  three of a kind.

If you deal 10,000 poker hands, then 200 of them will contain three of a kind.

A probability of 0.02 is somebody's best guess for a probability of being dealt three of a kind.

0.526

0.72

0.28

0

0.188

0.378

0.434

0.566

1/8

1/4

1/3

1/2

.085

.505

.590

Insufficient Information