Famous Dave’s is a successful barbeque chain and sells its beef, pork, and chicken items to three kinds of customers: dine-in, delivery, and pickup. Last year’s sales showed that 12,753 orders were dine-in, 5,893 were delivery orders, and 3,122 orders were pickup.

Suppose an audit of last year’s sales is being conducted.

a. If a customer order is selected at random, what is the probability it will be a pickup order?

b. What method of probability assessment was used to determine the probability in part a?

c. If two customer orders are selected at random, list the sample space indicating the type of order for both customers.