Kizspy | Question: 29
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
=
Let c be the number such that f(x,y) c(x+y) is the joint probability
distribution of two discrete random variables X and Y, where x = 2, 3, 4 and
y= 0, 1, 2. Describe the marginal probability distribution of Y.
Y
(i) P(Y=k) 10c
0
1
2
14c
18c
Y
(ii) P(Y=k) | 10c
0
1
2
13c
16c
Y
0
1
2
(iii) P(Y=k) 9c
13c
17c
Y
0
1
2
(iv) P(Y=k) 9c
12c
15c
