SOLUTION: Are the following a probability distribution? If not, state why. x P(x) x P(x) x P(x) 0 0.16 0 0.16 0 0.16 1 0.18 1 0.18 1 0.18 2 0.22 2

Algebra.Com
Question 1161896: Are the following a probability distribution? If not, state why.
x P(x) x P(x) x P(x)
0 0.16 0 0.16 0 0.16
1 0.18 1 0.18 1 0.18
2 0.22 2 0.22 2 0.22
3 0.10 3 0.10 3 0.10
4 0.30 4 0.30 4 0.30
5 0.01 5 -0.1 5 0.04

Answer by greenestamps(13203)   (Show Source): You can put this solution on YOUR website!


Each one could be a probability distribution if and only if each probability is between 0 and 1 and the sum of the probabilities is 1.

You can do the arithmetic to answer the question.


RELATED QUESTIONS

Determine whether the following is a probability distribution or not: x P(x) 0 0.4096... (answered by Boreal)
Find the standard deviation for the given probability distribution x P(x) 0 0.05 1... (answered by ikleyn)
x P ( x ) x 2 x P ( x ) x 2 P ( x ) (answered by ikleyn)
Find the missing value for P(X=5) in the probability ditribution: Number of Toys |... (answered by ikleyn)
(4 points) The joint probability mass function of X and Y is given by p(1,1)=0.45... (answered by Boreal)
16^x+4^x+1-3=0 (answered by Fombitz)
Is the following a valid probability distribution? x P(X=x) -1 -0.1 0 (answered by robertb)
The joint probability mass function of X and Y is given by p(1,1)=0.05 p(2,1)=0.1... (answered by Boreal)
Solve the following initial value problems: A)x"+x=0 :x(0)=0,x'(0)=1 b)x"+4x=0;... (answered by robertb)