P(X+ Y< 1) =
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![The life length of two transistors in an electronic circuit is a random variable (X,Y), where X is the
life length of transistor 1 and Y is the life length of transistor 2.The joint probability density
function of (X,Y) is given by
2e-(x+2) x 20,y20
fx,y(x,v) =-
otherwise
Then P(X+ Y< 1) =
Select one:
a.
1
1
I| 2e-(x+2)dxdy
b.
.1
2e-(x + 2)dxdy
1-y
.1
1-y
(T '2e-(x+2)dxdy
d.
[| 2e-(x+2)dxdy](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01496b5c-118d-4e46-b616-4266233a786e%2F384e526a-87e0-4d5a-97a8-f6ac8b82f181%2Fjl17jvf_processed.png&w=3840&q=75)
Transcribed Image Text:The life length of two transistors in an electronic circuit is a random variable (X,Y), where X is the
life length of transistor 1 and Y is the life length of transistor 2.The joint probability density
function of (X,Y) is given by
2e-(x+2) x 20,y20
fx,y(x,v) =-
otherwise
Then P(X+ Y< 1) =
Select one:
a.
1
1
I| 2e-(x+2)dxdy
b.
.1
2e-(x + 2)dxdy
1-y
.1
1-y
(T '2e-(x+2)dxdy
d.
[| 2e-(x+2)dxdy
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