Back to Contingency Tables

Exercise 16

Avg difficulty 2.5

After finishing the course, among the 32 students in a Math 105 class, 25 could successfully construct a contingency table, 27 passed the class, and 29 could successfully construct a contingency table or passed the class.

  1. Create a contingency table for the information.

    Contingency TableNo Contingency TableTotal
    Pass
    No Pass
    Total
  2. What is the probability that a student passed and could not successfully construct a contingency table?

  3. What is the probability that a student passed given they could not successfully construct a contingency table?

Lee et al., Math in Society, §4.1 Contingency Tables, Exercise 16

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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.