Exhibit 11-2
In a recent study of student soda preferences in a California high school, 100 randomly selected students were each given $1 to purchase a soda from a vending machine that contained a Cola, a Citrus drink, a sports energy drink, and 2% milk. 31 of the students chose the Cola, 22 chose the Citrus drink, 42 chose the sports energy drink, and 5 chose milk.
-Refer to Exhibit 11-2. At the .05 level of significance, test the hypothesis that in the population of students at this school, the proportion preferring each of the four drinks is the same.

Question

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The Answer of Exhibit 11-2
In a recent study of student soda preferences in a California high school, 100 randomly selected students were each given $1 to purchase a soda from a vending machine that contained a Cola, a Citrus drink, a sports energy drink, and 2% milk. 31 of the students chose the Cola, 22 chose the Citrus drink, 42 chose the sports energy drink, and 5 chose milk.
-Refer to Exhibit 11-2. At the .05 level of significance, test the hypothesis that in the population of students at this school, the proportion preferring each of the four drinks is the same.

Exhibit 11-2 in a Recent Study of Student Soda Preferences in a in a California