A snack bar offers chili and/or cheese on its hot dogs for an additional fee.
The owner kept track of the hot dog orders over the course of a week. His
data are shown in a relative frequency table.
Total
No cheese
0.3
0.4
Chili
No chili
Total
Cheese
0.1
0.2
0.3
0.4
0.6
0.7
1.0
What does the 0.2 in the highlighted cell mean?