Consider the following to answer questions
Vending machines on a college campus offer a variety of drinks.The purchasing agent
believes that each type of drink is equally preferred by students and consequently orders
equal quantities.The number of drinks sold from vending machines on this campus for
the last six months is shown in the following table.
-The correct null hypothesis to test if the purchasing agent is correct can be worded as
A)The types of drinks are not uniformly distributed among the students buying drinks.
B)The types of drinks are uniformly distributed among the students buying drinks.
C)The types of drinks are independent from each other.
D)The distribution of type of drink purchases follows the normal distribution.
E)None of the above.

Question

Consider the following to answer questions 
Vending machines on a college campus offer a variety of drinks.The purchasing agent
believes that each type of drink is equally preferred by students and consequently orders
equal quantities.The number of drinks sold from vending machines on this campus for
the last six months is shown in the following table. 
-The correct null hypothesis to test if the purchasing agent is correct can be worded as
A)The types of drinks are not uniformly distributed among the students buying drinks. 
B)The types of drinks are uniformly distributed among the students buying drinks. 
C)The types of drinks are independent from each other. 
D)The distribution of type of drink purchases follows the normal distribution. 
E)None of the above.

Quizplus · Accepted Answer

The null hypothesis to test if the purchasing agent is correct is that the types of drinks are uniformly distributed among the students buying drinks, meaning that each type of drink is equally preferred by students. This is the hypothesis that the purchasing agent believes to be true and is what is being tested. Therefore, the correct choice is B.

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