Random Variable

It is a variable whose value is determined by the outcome of a random procedure.

• Random Variable

• Discrete

• Continuous

It is a random variable where the observed numerical value are the results of measuring and may take on any numbers contained within any numerical intervals.

• Continuous

• Discrete

• Probability

It is a random variable where the observed numerical value is produced by counting and assumes whole numbers only.

• Continuous

• Probability

• Discrete

Which of the following represents a discrete random variable?

• The weight in kilograms of randomly selected Senior High School students.

• The time it takes a student to finish answering the midterm exams.

• The number of patients who experience side effects after taking antibiotics.

It is a variable whose values are determined by chance.

• Random Variable

• Discrete Variable

• Continuous Variable

• Independent Variable

Which of the following refers to a rule that assigns a numerical value or characteristic to an outcome of an experiment?

• Expected Value

• Random Variable

• Range Space

• Probability Distribution

What is the numerical quantity assigned to the outcome of an experiment usually denoted by an uppercase letter such as X?

• Frequency

• Probability

• Random variable

• Sample

A random variable is defined by a rule that assigns a _______________ to every outcome in a sample space.

• number

• letter

• Event

• probability

Which of the following random variables is continuous

• The number of defective cellular phones in a box of 20.

• The time required to finish a certain job.

• The number of correct answers in 20-item multiple choice test.

Discrete or Continuous? : The amount of rainfall in Manila City in a year.

• Discrete

• Continuous