SOLUTION: x 1 2 3 4 P(x) 0.3 1/5 1/5 3/10 x 3 6 8 P(x) 0.2 3/5 3/10 x 20 30 40 50 P(x) 0.1 0.1 0.5 0.3 Determine whether each of the distributions given below represents a probab

Algebra ->  Probability-and-statistics -> SOLUTION: x 1 2 3 4 P(x) 0.3 1/5 1/5 3/10 x 3 6 8 P(x) 0.2 3/5 3/10 x 20 30 40 50 P(x) 0.1 0.1 0.5 0.3 Determine whether each of the distributions given below represents a probab      Log On


   



Question 472373: x 1 2 3 4
P(x) 0.3 1/5 1/5 3/10
x 3 6 8
P(x) 0.2 3/5 3/10
x 20 30 40 50
P(x) 0.1 0.1 0.5 0.3
Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The first and the 3rd would be pdf's. The 2nd is not, because the sum of the probabilities is greater than 1.