Probability and Statistics

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

What is the probability that someone who likes Toyotas is female?

• .525

• .4627

• .6774

• .3143

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

What is the total outcomes in tossing 3 coins?

• 3

• 5

• 8

• 12

Which of the following is an example of discrete random variable?

• The heights of the students

• The distance traveled by a car

• The number of face mask sold in a pharmacy

• The speed of a bike during the race