3. A bivariate population of (X,Y) is sampled independently on three occasions. On the first, a random sample of size no is taken and only T = min{X, Y} is observed for each pair. On the second, a random sample of size në is taken, and only the X-marginal is observed for each pair. Finally, a random sample of size në is taken, and only the Y-marginal is observed for each pair. Therefore, the combined set of observations is of the form (T, X, Y), where T = (T₁,..., Tno), X = (X₁,..., Xn₁) and Y = (Y₁,..., Yn₂). Assume the following two-parameter probability = model for (X, Y): P(X > x, Y > y) = exp [-17 (121¹/8 +21²/616] - x >0, y > 0, 0 > 0, 0 < 6 ≤ 1 with unknown parameters 0 and 8. (a) Present the joint pdf of (T, X, Y). (b) Is the above family an exponential family? Justify your answer.
3. A bivariate population of (X,Y) is sampled independently on three occasions. On the first, a random sample of size no is taken and only T = min{X, Y} is observed for each pair. On the second, a random sample of size në is taken, and only the X-marginal is observed for each pair. Finally, a random sample of size në is taken, and only the Y-marginal is observed for each pair. Therefore, the combined set of observations is of the form (T, X, Y), where T = (T₁,..., Tno), X = (X₁,..., Xn₁) and Y = (Y₁,..., Yn₂). Assume the following two-parameter probability = model for (X, Y): P(X > x, Y > y) = exp [-17 (121¹/8 +21²/616] - x >0, y > 0, 0 > 0, 0 < 6 ≤ 1 with unknown parameters 0 and 8. (a) Present the joint pdf of (T, X, Y). (b) Is the above family an exponential family? Justify your answer.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![3. A bivariate population of (X,Y) is sampled independently on three occasions. On the first, a
random sample of size no is taken and only T = min{X,Y} is observed for each pair. On the
second, a random sample of size nį is taken, and only the X-marginal is observed for each pair.
Finally, a random sample of size n2 is taken, and only the Y-marginal is observed for each pair.
Therefore, the combined set of observations is of the form (T, X, Y), where T =
X = (X1,..., Xn1) and Y
model for (X, Y):
(T1,...,Tno),
(Y1, ..., Yn2). Assume the following two-parameter probability
P(X > x,Y > y) = exp
x > 0, y > 0, 0 > 0, 0 < 8 < 1 with unknown parameters 0 and 8.
(a) Present the joint pdf of (T, X, Y).
(b) Is the above family an exponential family? Justify your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3153a67-08ad-4693-bebc-96b917809430%2Ff774e9da-1c04-4308-a82e-6ee8f2b70205%2F0mdn0h_processed.png&w=3840&q=75)
Transcribed Image Text:3. A bivariate population of (X,Y) is sampled independently on three occasions. On the first, a
random sample of size no is taken and only T = min{X,Y} is observed for each pair. On the
second, a random sample of size nį is taken, and only the X-marginal is observed for each pair.
Finally, a random sample of size n2 is taken, and only the Y-marginal is observed for each pair.
Therefore, the combined set of observations is of the form (T, X, Y), where T =
X = (X1,..., Xn1) and Y
model for (X, Y):
(T1,...,Tno),
(Y1, ..., Yn2). Assume the following two-parameter probability
P(X > x,Y > y) = exp
x > 0, y > 0, 0 > 0, 0 < 8 < 1 with unknown parameters 0 and 8.
(a) Present the joint pdf of (T, X, Y).
(b) Is the above family an exponential family? Justify your answer.
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