Which the following is an example of a continuous random variable? Waiting time
ID: 3151149 • Letter: W
Question
Which the following is an example of a continuous random variable?
Waiting time at a check-out counter in a supermarket
Outcome of a certain game
The frequency of arrivals at an airport
Number of heart surgeries in a hospital on a particular day
Sunday night attendance at the movies
a.Waiting time at a check-out counter in a supermarket
b.Outcome of a certain game
c.The frequency of arrivals at an airport
d.Number of heart surgeries in a hospital on a particular day
e.Sunday night attendance at the movies
Explanation / Answer
Correct Answer: (a) Waiting time at a check-out counter in a supermarket
Since
A continuous random variable is a random variable where the data can take infinitely many values. For example, a random variable measuring the time taken for something to be done is continuous since there are an infinite number of possible times that can be taken
A variable can take on any value between two specified values, it is called a continuous variable;
Suppose the fire department mandates that all fire fighters must weigh between 150 and 250 pounds. The weight of a fire fighter would be an example of a continuous variable; since a fire fighter's weight could take on any value between 150 and 250 pounds.
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