Stat and Prob

A variable whose possible values are determined by chance. It is represented by an uppercase letter while its corresponding lowercase letter represent its values.

• Dependent

• Independent

• Random

• Controlled

The set of all possible outcomes of an experiment.

• Probability

• Sample Space

• Combination

• Permutation

A variable that can take on a finite number of distinct values.

• Random

• Independent

• Discrete

• Dependent

A list of the possible values of random variable and the corresponding probabilities of the values.

• Outcomes

• Probability Distribution

• Experiment

• Continuous Random Variable

What is the sum of all probabilities of all values of the random variable?

• -1

• 0

• 1

• 2

The total outcomes if two dice is rolled.

• 12

• 24

• 36

• 40

In tossing 2 coins, what are the possible values of number of tails that will result from the experiment?

• 1,2,3

• 2,3

• 0,1,2

• 0,1

Find the possible values of random variable T which represents the number of tails occur in tossing 4 coins.

• 1,2,3,4

• 0,1,2,3,4

• 0,1,2,3

• 2,3,4,5

What is the total outcomes in a 5-item true or false test?

• 10

• 32

• 50

• 60

A variable that take an uncountable number of potential values, regularly measurable amounts.

• Continuous

• Discrete

• Independent

• Dependent