Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3 times on any given day. Let Y denote the number of times a technician is called on an emergency call. Their joint probability distribution is given below: a. Find the marginal distribution g(x), x = 1, 2, 3. b. Find the marginal distribution h(y), y = 1, 2, 3. c. List the cumulative distribution function F(x). d. List the cumulative distribution function F(y). e. Find the conditional distribution of f(xly), P(X= 11Y = 3). f. Find the conditional distribution of f (ylx), P(X=31 Y = 3). g. Determine if the random variables are statistically independent considering f (2, 1). x f(x,y) 1 2 3 1 0.05 0.05 0.10 3 0.05 0.10 0.35 Y 5 0.00 0.20 0.10
Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3 times on any given day. Let Y denote the number of times a technician is called on an emergency call. Their joint probability distribution is given below: a. Find the marginal distribution g(x), x = 1, 2, 3. b. Find the marginal distribution h(y), y = 1, 2, 3. c. List the cumulative distribution function F(x). d. List the cumulative distribution function F(y). e. Find the conditional distribution of f(xly), P(X= 11Y = 3). f. Find the conditional distribution of f (ylx), P(X=31 Y = 3). g. Determine if the random variables are statistically independent considering f (2, 1). x f(x,y) 1 2 3 1 0.05 0.05 0.10 3 0.05 0.10 0.35 Y 5 0.00 0.20 0.10
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Questions d, e and f
![Let X denote the number of times a certain numerical control machine will malfunction:
1, 2, or 3 times on any given day. Let Y denote the number of times a technician is
called on an emergency call. Their joint probability distribution is given below:
a. Find the marginal distribution g(x), x = 1, 2, 3.
b. Find the marginal distribution h(y), y = 1, 2, 3.
c. List the cumulative distribution function F(x).
d. List the cumulative distribution function F(y).
e. Find the conditional distribution of f(xly), P(X=1| Y = 3).
f. Find the conditional distribution of f (ylx), P(X = 31 Y = 3).
g. Determine if the random variables are statistically independent considering f
(2, 1).
I
f(x,y)
1
2
3
0.05
0.05
0.10
0.05
0.10
0.35
Y
0.00
0.20
0.10
1
3
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e2bee5b-7171-40d5-b4b0-fb3b094cde77%2F4ac134ff-194b-4889-8d27-ca36f4a78247%2Fzimxz2r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let X denote the number of times a certain numerical control machine will malfunction:
1, 2, or 3 times on any given day. Let Y denote the number of times a technician is
called on an emergency call. Their joint probability distribution is given below:
a. Find the marginal distribution g(x), x = 1, 2, 3.
b. Find the marginal distribution h(y), y = 1, 2, 3.
c. List the cumulative distribution function F(x).
d. List the cumulative distribution function F(y).
e. Find the conditional distribution of f(xly), P(X=1| Y = 3).
f. Find the conditional distribution of f (ylx), P(X = 31 Y = 3).
g. Determine if the random variables are statistically independent considering f
(2, 1).
I
f(x,y)
1
2
3
0.05
0.05
0.10
0.05
0.10
0.35
Y
0.00
0.20
0.10
1
3
5
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