Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
Define a discrete random variable.
Think of examples like the number of students in a classroom.
What is a joint probability distribution?
Consider the outcomes of rolling two dice.
What does a joint probability distribution measure?
Think about how different outcomes are connected.
True or False: A joint PDF can be negative.
Consider the properties of probability distributions.
Given a joint PDF f(x,y) = 3x^2y for 0 < x < 1, 0 < y < 1, calculate the marginal PDF of X.
Remember the integration limits and the formula!
Two random variables are defined as independent if P(A and B) = ...? Fill in the blank.
Think about independence concepts!
5 more questions in this section. Enroll free to practise them all.
Enroll free