Probability Distributions for Discrete x

A sample space is

• collection of all possible outcomes

• average of all possible outcomes

• list of only the most likely outcomes

• only the observed outcomes

What is the probability of an event that is certain to happen?

• 0

• 0.5

• 1

• Cannot be determined

What is the probability of an event that is impossible to happen?

• 0

• 0.5

• 1

• Cannot be determined

Which of the following is not a possible value for probability?

• 0

• 1

• 1.5

• 0.75

Is this a valid probability distribution?

• Yes

• No

• Impossible to answer

Is this a valid probability distribution?

• Yes

• No

• Impossible to answer

What is the probability that x is greater than or equal to 0?

• 0.40

• 0.30

• 0.75

• 1

What is the probability that x is greater than or equal to -3?

• 0.40

• 0.30

• 0.75

• 1

What is the missing probability value?

• 0.40

• 0.30

• 0.75

• 1

What is the probability that x is at most 0?

• 0.65

• 0.55

• 0.35

• 0