Discrete Random Variables (VCE SSCE Mathematical Methods): Quizzes

📚Quizzes
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Discrete Random Variables
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What does a random variable do?

Links outcomes to numbers

Which letters typically represent random variables?

Capital letters like XX, YY, ZZ

Which is an example of a discrete random variable?

Number of children in a family

Which is an example of a continuous random variable?

Time to complete a puzzle

What is the key distinction for discrete random variables?

Take specific, separate values

What must all probabilities in a valid distribution sum to?

11

What range must each probability p(x)p(x) satisfy?

0≤p(x)≤10 \leq p(x) \leq 1

If Pr⁡(X=5)=0.15\Pr(X = 5) = 0.15, what is Pr⁡(X≠5)\Pr(X \neq 5)?

0.850.85

If 2c+3c+4c=12c + 3c + 4c = 1, what is cc?

19\frac{1}{9}

If Pr⁡(X=1)=0.2\Pr(X=1)=0.2 and Pr⁡(X=2)=0.3\Pr(X=2)=0.3, what is Pr⁡(X<3)\Pr(X < 3)?

0.50.5

Explore VCE SSCE Mathematical Methods Revision Notes by Topics

Discrete Random Variables

Sampling Without Replacement

Sampling with Replacement: The Binomial Distribution

Conditional Probability and Independence

Expected Value (Mean), Variance, and Standard Deviation

Explore VCE SSCE Mathematical Methods Model Answers by Topics

Discrete Random Variables

Sampling Without Replacement

Sampling with Replacement: The Binomial Distribution

Conditional Probability and Independence

Expected Value (Mean), Variance, and Standard Deviation

Explore VCE SSCE Mathematical Methods Flashcards by Topics

Discrete Random Variables

Sampling Without Replacement

Sampling with Replacement: The Binomial Distribution

Conditional Probability and Independence

Expected Value (Mean), Variance, and Standard Deviation

Explore VCE SSCE Mathematical Methods Exam Questions by Topics

Discrete Random Variables

Sampling Without Replacement

Sampling with Replacement: The Binomial Distribution

Conditional Probability and Independence

Expected Value (Mean), Variance, and Standard Deviation

Join 100,000+ SSCE students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.