Assignment. Read the instruction carefully. (Statistics and Probability 11) B. Write YES if the distribution given is a valid probability distribution for discrete random variable X; otherwise, write NO. 1.  X 0 1 3 4 P (x) 0.22 0.17 0.28 0.33   X 3 4 5 7 P (x) -0.15 -0.27 -0.30 -0.28   3.  X 6 8 10 12 P (x) 0.56 0.2 0.2 0.04 4.  X 2 3 4 5 P (x) 0.01 0.01 0.1 0.07 5.  X 0 1 2 3 P (x) 0.25 0.25 0.25 0.25

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Assignment. Read the instruction carefully. (Statistics and Probability 11)

B. Write YES if the distribution given is a valid probability distribution for discrete
random variable X; otherwise, write NO.

1. 

X 0 1 3 4
P (x) 0.22 0.17 0.28

0.33

 

X 3 4 5 7
P (x) -0.15 -0.27 -0.30

-0.28

 

3. 

X 6 8 10 12
P (x) 0.56 0.2 0.2

0.04

4. 

X 2 3 4 5
P (x) 0.01 0.01 0.1

0.07

5. 

X 0 1 2 3
P (x) 0.25 0.25 0.25

0.25

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