$3-$ Two$-$Way Tables$/$Contingency Tables

LEARNING OBJECTIVE: Calculate the probability of an event from a contingency table.

$($:$000$:$)$

A school cafeteria wants to find out what combinations of food and beverage students are ordering. The results are represented in the two$-$way table below:

Food

Beverage

$\backslash$table$[[,$Food$],[,$Pizza,Hamburger,Salad$],[$Water$,11,7,23],[$Slurpee$,18,19,5],[$Soda$,28,12,14]]$

Of all the students, what is the probability that a student ordered a hamburger and a slurpee?