# How do you determine the required value of the missing probability to make the following distribution a discrete probability distribution?

##
X P(x)

0 0.30

1 0.15

2 ?

3 0.20

4 0.15

5 0.05

X P(x)

0 0.30

1 0.15

2 ?

3 0.20

4 0.15

5 0.05

##### 1 Answer

Feb 6, 2017

#### Answer:

#### Explanation:

In any Prob. Dist., we must have,

Now,

We readily have, each