1. Two discrete random variables X and Y have joint pmf given by the following table: 1 3. 1. 1. 12 6. 12 4. 12 3. 0. 12 12 Compute the probability of each of the following events: (a) X<1. (b) X is odd. (c) XY is even.
1. Two discrete random variables X and Y have joint pmf given by the following table: 1 3. 1. 1. 12 6. 12 4. 12 3. 0. 12 12 Compute the probability of each of the following events: (a) X<1. (b) X is odd. (c) XY is even.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 1E: If a game gives payoffs of $10 and $100 with probabilities 0.9 and 0.1, respectively, then the...
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Transcribed Image Text:Problems
1. Two discrete random variables X and Y have joint pmf given by the following
table:
Y
3
1.
1
12
6.
12
1
1
6.
4
12
1
1.
0.
12
12
Compute the probability of each of the following events:
(a) X <1.
(b) X is odd.
(c) XY is even.
(d) Y is odd given that X is odd.
2. Each telephone call passes through a number of switching offices before reaching
its destination. The number and types of switching offices in the United States
in 1971 were estimated to be as follows:
i
3.
Office type Step-by-step
Panel
Crossbar
ESS 1
Number
8600
500
5700
286
"Electronic Switching System
1.
2.
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