I need help with this probability question please...i have no idea what I am doing here....thanks in advance...
A die is rolled 4 times. Let X and Y be the number of appearances of 1 and 6 respectively. Find the joint PMF of (X, Y).
I need help with this probability question please...i have no idea what I am doing here....thanks in advance...
A die is rolled 4 times. Let X and Y be the number of appearances of 1 and 6 respectively. Find the joint PMF of (X, Y).