OpenStax, Statistics §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 percent of Evergreen Valley College (EVC) students attended the opening night midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 attended the midnight showing. An appropriate alternative hypothesis is as follows:

(a) p = 0.20
(b) p > 0.20
(c) p < 0.20
(d) p ≤ 0.20

~8 minWritten answer · compare with the solution

OpenStax, Statistics · §9.1 Null and Alternative Hypotheses · Exercise 13

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