CCGPS AG 7.1.3 Example 3

Landen owns a delicatessen. He collected data on sales of his most popular sandwiches for one week and recorded it in the table below. Each of the following statements describes a pair of events. For each statement, determine if the events seem to be independent based on the data in the table. A random customer orders Landen’s club sandwich on country white bread. A random customer orders the roasted chicken sandwich on whole wheat bread.

[list=1] [*]Find the totals of all the categories. [*]For the first statement, assign variables as names of the events. [*]Use the data to determine the relevant probabilities. [*]Use the definition of independence to determine if the events seem to be independent. [*]For the second statement, assign variables as names of the events. [*]Use the data to determine the relevant probabilities. [*]Use the definition of independence to determine if the events seem to be independent. [/list]