Question

Let X denote the number of siblings of a randomly selected student. Explain the difference between {X = 3} and P(X = 3).

Short answer

{X = 3} , means that the student have 3 siblings.

P {X = 3} means the probability of that student having 3 siblings.

Step-by-step solution

Given information

Take the following scenario: "X is the number of siblings of a randomly chosen student."

Step 2. Solution

If the student has siblings, {X = 3} denotes that the student has three siblings.

P {X = 3} denotes the likelihood of the student having siblings.