Exhibit 18-1
Ten people were given two types of cereal, Brand X and Brand Y. Three people preferred Brand X, 5 people preferred Brand Y, and 2 people were undecided. We want to determine whether or not the two products are equal.
-Refer to Exhibit 18-1. To test the null hypothesis, the appropriate probability distribution to use is
A)normal
B)chi-square
C)Poisson
D)binomial

Question

Quizplus · Accepted Answer

Since we are dealing with categorical data (preference for two brands), and the sample size is relatively small (n=10), the appropriate probability distribution to use is the binomial distribution.

Exhibit 18-1 Ten People Were Given Two Types of Cereal, Brand X