Determine whether the distribution represents a probability distribution Explain your answer
1. х 1 5 8 7 9
p(x) 1/3 1/3 1/3 1/3 1/3
2. X 0 2 4 6 8
p(x) 1/6 1/6 1/3 1/6 1/6
3. Х 1 2 3 5
p(x) 1/4 1/8 1/4 1/8
4. Х 4 8 12 15 17
p(x) 1/5 1/8 1/8 1/5 1/8
5. X 1 3 5 7
p(x) 0.35 0.25 0.22 0.12​