Twenty-Five College Seniors Were Given Two Brands of Organic Hamburgers

Multiple Choice

Twenty-five college seniors were given two brands of organic hamburgers to sample: Burger A and Burger B. Four students preferred Burger A and 21 preferred Burger B. A statistician wants to determine if one of the burgers is preferred over the other. To test the null hypothesis,which of the following probability distributions is used?

A) Poisson
B) Chi-square
C) Standard normal
D) Binomial