SOLUTION: Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 3/10 1/5 1/5

Question 641875: Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)
x
1
2
3
4

P(x)
3/10
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)
1/10
0.1
1/2
0.3

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The sum of all the individual probabilities in a probability distribution is exactly 1.

John

My calculator said it, I believe it, that settles it

The Out Campaign: Scarlet Letter of Atheism

RELATED QUESTIONS
Determine whether each of the distributions given below represents a probability... (answered by Fombitz)

Determine whether each of the distributions given below represents a probability... (answered by richard1234,stanbon)

Determine whether each of the distributions given below represents a probability... (answered by solver91311,vleith,ewatrrr)

Determine whether each of the distributions given below represents a probability... (answered by stanbon)

Determine whether each of the distributions given below represents a probability... (answered by jim_thompson5910)

Determine whether each of the distributions given below represents a probability... (answered by Edwin McCravy)
  Determine whether each of the distributions given below represents a probability... (answered by ewatrrr,solver91311)
Determine whether each of the distributions given below represents a probability... (answered by AnlytcPhil)
Determine whether each of the distributions given below represents a probability... (answered by stanbon)