Identify if the following are valid probability distributions for a discrete random variable X. a. 4 P(X) 0.4 0.1 0.5 b. X 1 4 9. 16 P(X) 0.40 0.50 -0.10 0.20 C. -2 -1 1 P(X) 0.15 0.25 0.10 0.50 d. 2 1 4 P(X) 25 е. 2 1 4 3. 7 P(X) 36 6. 18 36 12 315 125

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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А.
Identify if the following are valid probability distributions
for a discrete random
variable X.
a.
X
3
0.4
4
P(X)
0.1
0.5
b.
1
4.
16
P(X)
0.40
0.50
-0.10
0.20
C.
-2
-1
1
P(X)
0.15
0.25
0.10
0.50
d.
1
4
P(X)
5
25
e.
4
1
3.
P(X)
36
18
36
12
5S
315
215
Transcribed Image Text:А. Identify if the following are valid probability distributions for a discrete random variable X. a. X 3 0.4 4 P(X) 0.1 0.5 b. 1 4. 16 P(X) 0.40 0.50 -0.10 0.20 C. -2 -1 1 P(X) 0.15 0.25 0.10 0.50 d. 1 4 P(X) 5 25 e. 4 1 3. P(X) 36 18 36 12 5S 315 215
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