SOLUTION: Write the distribution for the following formula and determine whether it is a probability distribution. P(X) ___X___ for X = 0,1,2 or P(X) X/X+2 for X= 0,1,2 X+2

Algebra ->  Probability-and-statistics -> SOLUTION: Write the distribution for the following formula and determine whether it is a probability distribution. P(X) ___X___ for X = 0,1,2 or P(X) X/X+2 for X= 0,1,2 X+2       Log On


   

Question 373838: Write the distribution for the following formula and determine whether it is a probability distribution.
P(X) ___X___ for X = 0,1,2 or P(X) X/X+2 for X= 0,1,2
X+2
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
P%280%29+=+0%2F%280%2B2%29+=+0,
P%281%29+=+1%2F%281%2B2%29+=+1%2F3,
P%282%29+=+2%2F%282%2B2%29+=+1%2F2.
All these probabilities add up to 5/6, which is less than 1. Hence the function is not a probability distribution.