Classifying Random Variables as Discrete and Continuous

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

• number

• letter

• Event

• probability

State whether it is Discrete or Continuous;

A film critic's rating of a film, 0 to 4 stars

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The speed of a car

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The sum rolled on a pair of dice

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The winning ticket number drawn from a raffle

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The weight of parcels at a post office

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The size of jeans in a shop

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The temperature of metal as it cools

• Discrete

• Continuous

State whether it is Discrete or Continuous;

the amount of water in different types of fruit drink

• Discrete

• Continuous

State whether it is Discrete or Continuous;

The number of cars passing the school over a 10 - minute period

• Discrete

• Continuous