2. Let (, F, P) be a probability space. Let X, Y be two independent ran- dom variables such that 1 3 P(X = 0) P(X = 1) P(X = 2) P(X = 3) P(X = 4) 10 10 5' 3 P(Y = 0) P(Y = 1) 10 1 10 7 1 P(Y2) = P(Y = 3) , P(Y = 4) 10 20 20 (i) Find the probability generation function Gx(s) and Gy(s) of X and Y, respectively. [12 Marks] (ii) Using Gx(s) and Gy(s), find the mean and variance of X and Y. [12 Marks] (iii) Find the probability generating function Gx+y(s) of X + Y. [8 Marks]
2. Let (, F, P) be a probability space. Let X, Y be two independent ran- dom variables such that 1 3 P(X = 0) P(X = 1) P(X = 2) P(X = 3) P(X = 4) 10 10 5' 3 P(Y = 0) P(Y = 1) 10 1 10 7 1 P(Y2) = P(Y = 3) , P(Y = 4) 10 20 20 (i) Find the probability generation function Gx(s) and Gy(s) of X and Y, respectively. [12 Marks] (ii) Using Gx(s) and Gy(s), find the mean and variance of X and Y. [12 Marks] (iii) Find the probability generating function Gx+y(s) of X + Y. [8 Marks]
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
Related questions
Question
![2.
Let (, F, P) be a probability space. Let X, Y be two independent ran-
dom variables such that
1
3
P(X = 0)
P(X = 1)
P(X = 2)
P(X = 3)
P(X = 4)
10
10
5'
3
P(Y = 0)
P(Y = 1)
10
1
10
7
1
P(Y2) =
P(Y = 3)
,
P(Y = 4)
10
20
20
(i) Find the probability generation function Gx(s) and Gy(s) of X and
Y, respectively.
[12 Marks]
(ii) Using Gx(s) and Gy(s), find the mean and variance of X and Y.
[12 Marks]
(iii) Find the probability generating function Gx+y(s) of X + Y.
[8 Marks]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd66c7573-6777-48ff-9bfb-9b3df1a769a6%2Fc2ac3c3b-40c8-4d8c-9ee0-585ea02e8aa0%2Fxbwi6xn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.
Let (, F, P) be a probability space. Let X, Y be two independent ran-
dom variables such that
1
3
P(X = 0)
P(X = 1)
P(X = 2)
P(X = 3)
P(X = 4)
10
10
5'
3
P(Y = 0)
P(Y = 1)
10
1
10
7
1
P(Y2) =
P(Y = 3)
,
P(Y = 4)
10
20
20
(i) Find the probability generation function Gx(s) and Gy(s) of X and
Y, respectively.
[12 Marks]
(ii) Using Gx(s) and Gy(s), find the mean and variance of X and Y.
[12 Marks]
(iii) Find the probability generating function Gx+y(s) of X + Y.
[8 Marks]
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