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Chapter 5: Q 5.105 (page 223)

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

Short Answer

Expert verified

{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

01

Given information

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

02

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.

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