SOLUTION: Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 0.3 1/5 1/5

Question 228883: Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)
x
1
2
3
4

P(x)
0.3
1/5
1/5
3/10

(B)
x
3
6
8

P(x)
0.2
3/5
3/10

(C)

x
20
30
40
50

P(x)
0.1
0.1
0.5
0.3

(Points: 6)
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
If the sum numbers under each P(x) is 1.0 then it is a probability distribution.
the sum of a and c are 1.0 so they are probability distributions.
.
Ed
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