This problem represents a simple idea.
Just find out what percent of the total area each of the sectors represents.
For example, sector 2 is one fourth of the total area.
A spinner is made from the disc is the diagram and the random variable X represents the number it lands on after being spun.
Write down the distribution of X.
How could I do this? Basically I’m confused where to start & what to think. Could anyone explain please?