Which of the following can be represented by a continuous random variable?
A)The time of a flight between Chicago and New York
B)The number of defective light bulbs in a sample of 5
C)The number of arrivals to a drive-thru bank window in a four-hour period
D)The score of a randomly selected student on a five-question multiple-choice quiz

Question

Quizplus · Accepted Answer

The time of a flight can be represented by a continuous random variable, as it can take any value within a certain range (e.g. 0-10 hours) and can be measured in fractions of an hour (e.g. 3.5 hours).

Answer: D 
 The score of a student on a multiple-choice quiz can be represented by a discrete random variable, as it can only take certain values (e.g. 0,1,2,3,4,5) and cannot be measured in fractions or decimals.

Which of the Following Can Be Represented by a Continuous