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Two-Way Tables/Contingency Tables Calculate the probability of an event from a contingency table. A school cafeteria wants to find out what combinations of food and
Two-Way Tables/Contingency Tables
Calculate the probability of an event from a contingency table.
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
Pizza Hamburger Salad
Beverage Water 11 7 23
Slurpee 18 19 5
Soda 28 12 14
Of the students who ordered pizza, what is the probability that a student also ordered a soda?
- a.)28/57
- b.)28/137
- c.)54/137
- d.)28/54
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