SOLUTION: Determine whether each of the distributions given below represents a probability distribution. Justify your answer. x 1 2 3 4 P(x) 1/12 5/12 1/3 1/12

Question 359556: Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

x
1
2
3
4

P(x)
1/12
5/12
1/3
1/12

(A)

x
3
6
8

P(x)
2/10
.5
1/5

(B)
x
20
35
40
50

P(x)
0.4
-0.2
0.5
0.3

(C)

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
A) No, , must be .
B) No, , must be .
C) No, for every .
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