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Results tagged with bivariate
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user 56352
Concerning two random variables
3
votes
1
answer
2k
views
Find the pmf of a bivariate distribution when rolling a black and red four-sided die
Roll a pair of four-sided dice, one red and one black. Let $X$ equal the outcome on the red die and let $Y$ equal the sum of the two dice. Define the joint pmf on the space.
So far I have $X = 1, …
- 711
7
votes
3
answers
2k
views
Define the joint pmf of a particle moving randomly on a grid
A particle starts at (0,0) and moves in one-unit independant steps with equal probabilities of $\frac{1}{4}$ in each of four directions: north, south, east, and west. Let $S$ equal the east-west posit …
- 711