Back to 9.1 Null and Alternative Hypotheses

9.1 Exercise 17

Avg difficulty 2.5

A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students attended the opening night midnight showing of the latest Marvel Universe movie. The instructor surveys 84 students and finds that 11 attended the midnight showing. An appropriate alternative hypothesis is:

  1. p = 0.20
  2. p > 0.20
  3. p < 0.20
  4. p ≤ 0.20

OpenStax Introductory Statistics 2e, 9.1 Null and Alternative Hypotheses, exercise 17

AI Tutor

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