12th Grade Random Variables Quizzes, Questions & Answers

12th Grade

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Discrete vs Continuous Random Variables Quiz

This quiz tests your understanding of discrete and continuous random variables, two fundamental concepts in probability and statistics. You'll explore the differences between these variable types, identify examples, calculate...

Questions: 15 | Attempts: 10 | Last updated: Apr 15, 2026

Sample Question 1
Which of the following best describes a discrete random variable?

Takes any value in an interval and can be measured precisely

Takes on a countable set of distinct values, often whole numbers

Always has a normal distribution

Cannot be graphed on a number line

Sample Question 2
A continuous random variable differs from a discrete one because it:

Has a finite number of possible outcomes

Can take any value within a given range or interval

Must follow a uniform distribution

Cannot have a probability density function

Sample Question 3
Which scenario represents a discrete random variable?

The height of a randomly selected student

The number of heads in 10 coin flips

The time it takes to run a marathon

The temperature in a room at a given moment

12th Grade Random Variables Quizzes, Questions & Answers

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