Distribution

Question 1

What is Discrete Uniform Distribution?

Answer 1

When all the probabilities are the same (e.g coin flip = ½ ½, fair dice = 1/6, 1/6, 1/6, 1/6, 1/6, 1/6)

Question 2

What is a Discrete Variable?

Answer 2

A variable that can only take certain number values

Question 3

What is a Sample Space?

Answer 3

The range of values a variable can take

Question 4

What’s a Random Variable

Answer 4

A variable that depends on a random event

Question 5

What’s the Probability Mass Function

Answer 5

P(X=x) = (probably), (number that are that probably)

E.g, dice:
P(X=x) = ⅙, x=1, 2, 3, 4, 5, 6