In the game of roulette in the United States a wheel has 38 slots: 18 slots are black, 18 slots are red, and 2 slots are green. We watched a friend play roulette for two hours. In that time we noted that the wheel was spun 50 times and that out of those 50 spins black came up 22 times. Based on this data, the $\mathrm { P } ( \mathrm { black } ) = \frac { 22 } { 50 } = 0.44$. This is an example of what type of probability?

Question

Quizplus · Accepted Answer

Empirical probability is calculated based on the outcomes of an experiment or past data, which is exactly what is described in the scenario where the probability of landing on black is determined by observing 50 spins of the roulette wheel.

In the Game of Roulette in the United States a Wheel