Sixteen people were given two types of cereal, Brand X and Brand Y. Two people preferred Brand X and thirteen people preferred Brand Y. We want to determine whether or not customers prefer one brand over the other. The null hypothesis that is being tested is A) H₀: μ = 8. B) H₀: μ = .5. C) H₀: p = 8. D) H₀: p = .5.

Question

Quizplus · Accepted Answer

The null hypothesis being tested is whether or not customers have an equal preference for both brands, which can be expressed as p = .5 (where p is the proportion of people who prefer Brand X). Therefore, choice D is the correct option.

Sixteen People Were Given Two Types of Cereal, Brand X