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3.4 Exercise 23

Avg difficulty 2.5

Use the information in the the table to answer the next eight exercises. The table shows the political party affiliation for various members of the U.S. Senate during two separate years when they are up for reelection.

Up for reelection: Democratic Party Republican Party Other Total
Year A 20 13 0
Year B 10 24 0
Total

What is the probability that a randomly selected senator has an “Other” affiliation?

OpenStax Introductory Statistics 2e, 3.4 Contingency Tables, exercise 23

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.