Probability Distributions & Descriptive Statistics - Joint Probability Distributions
7 important questions on Probability Distributions & Descriptive Statistics - Joint Probability Distributions
What is a joint probability distribution?
P(X = x, Y = y) P(X = x, Y = y)
What is the marginal probability distribution?
What is the variance of XX X?
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
What is the standard deviation of XX X?
What is the expectation of the product XY?
What is the covariance between X and Y?
What is the correlation between X and Y?
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding

















