Practice Partial Differential Equations - 15 | 15. Marginal Distributions | Mathematics - iii (Differential Calculus) - Vol 3
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Partial Differential Equations

15 - Partial Differential Equations

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the joint probability density function (pdf)?

💡 Hint: Think about how two random events relate.

Question 2 Easy

Define marginal distribution.

💡 Hint: What do we focus on when we 'marginalize'?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a marginal distribution?

A function for two variables
Distribution of one variable
Sum of joint probabilities

💡 Hint: Think about the process of simplifying.

Question 2

True or False: Marginal distributions can reconstruct joint distributions.

True
False

💡 Hint: Consider independence in your reasoning.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the joint pdf 𝑓(𝑥,𝑦) = 12𝑥𝑦 for 0 < 𝑥 < 1 and 0 < 𝑦 < 1, calculate the marginal distributions of 𝑋 and 𝑌.

💡 Hint: Focus on integrating each variable's contribution.

Challenge 2 Hard

Discuss the independence condition for two random variables and provide an example illustrating this with marginal pdfs.

💡 Hint: Consider if separating their probabilities affects their joint behavior.

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