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Back to Contingency Tables

Exercise 1

Avg difficulty 2.5

A recent survey asked a random sample of PCC students if they are currently experiencing food insecurity and if they are currently experiencing housing insecurity. Fill in the missing entries of the contingency table below.

Food InsecureNot Food InsecureTotal
Housing Insecure60
Not Housing Insecure460760
Total680

Lee et al., Math in Society, §4.1 Contingency Tables, Exercise 1

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.