Consider the Following to Answer the Question(s) Below

question 9

Multiple Choice

Consider the following to answer the question(s) below:
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 equally (uniformly) distributed among the students buying drinks.
• B) The types of drinks are equally (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) The distribution of type of drink purchases follows a Poisson distribution.

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Definitions:

Cortex

The outer layer of an organ or structure, such as the cerebral cortex of the brain, which is involved in high-level functions including memory, attention, perception, awareness, thought, language, and consciousness.

Deep Cerebral Nuclei

Clusters of neurons in the deep regions of the cerebrum involved in regulating voluntary movement and learning.

Schwann Cell

A type of glial cell in the peripheral nervous system that wraps around nerve fibers, forming the myelin sheath, which helps in the rapid conduction of nerve impulses.

Myelin Sheath

The fatty layer that covers and insulates axons of many neurons, facilitating the rapid transmission of nerve impulses.