OpenStax, Introductory Statistics 2e §9.1 Null and Alternative Hypotheses · Exercise 13 · Statistics · Hypothesis testing
Null and Alternative Hypotheses · Exercise 13
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:
(a) p = 0.20
(b) p > 0.20
(c) p < 0.20
(d) p ≤ 0.20
OpenStax, Introductory Statistics 2e · §9.1 Null and Alternative Hypotheses · Exercise 13
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