Question 1

The correct example of discrete variable is ______.

Accepted Answer

The sum of the numbers rolled on a pair of dice.

Answer

Weight of car travelling everyday

Answer

Sam ran 100 meters in 10.2 seconds

Answer

Time taken to commute to work

Question 2

Which of the following variables can assume only a finite number of values and can be determined by simply counting?

Accepted Answer

Discrete Random Variable

Answer

Pay Off Value

Answer

Discrete Probability Distribution

Answer

Continuous Random Variable

Question 3

Which of the following random variables is continuous?

Accepted Answer

The amount of time it takes to conduct swab-test.

Answer

The number of bottled water sold in a day.

Answer

The number of people tested positive everyday.

Answer

The number of learning packets delivered in a day.

Question 4

Which of the following doesn't belong to the group?

Accepted Answer

The distance between two persons.

Answer

The number of defective light bulbs.

Answer

The Friday-night attendance in a cinema.

Answer

Number of patients a doctor sees in a day.

Question 5

Which of the following random variables is NOT continuous?

Accepted Answer

Number of goals scored by a football team.

Answer

Time it takes to commute to work

Answer

Lifetime of an AAA battery

Answer

Amount of gasoline in a car

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