A special roulette wheel, which has an equal number of red and black spots, has come up red four times in a row. Assuming that the roulette wheel is fair, what concept allows a player to know that the probability the next spin of the wheel will come up black is 0.5?
A) Concept of independent events
B) Concept of mutually exclusive events
C) Concept of dependent events
D) Concept of mutually inclusive events

Question

Quizplus · Accepted Answer

The concept of independent events means that the outcome of one event does not affect the outcome of another. In a fair roulette wheel, each spin is independent of the previous spins, so the probability of landing on black (or red) remains 0.5 regardless of previous outcomes.

A Special Roulette Wheel, Which Has an Equal Number of Red