Problem 4E

Customers in line at a Subway shop. The number of customers, x, waiting in line to order sandwiches at a Subway shop at noon is of interest to the store manager. What values can x assume? Is x a discrete or continuous random variable?

Solution:

Step 1 of 2:

It is given that a Subway shop manager is interested to know the number of persons waiting in line to order sandwiches.

Let x be the number of person in line waiting to order.

We have to find the values that x can take decide whether x is a discrete random variable or a continuous random variable.