Determine Whether a Permutation, a Combination, Counting Principles, or a Determination

question 10

Short Answer

Determine whether a permutation, a combination, counting principles, or a determination of the number of subsets is the most appropriate tool for obtaining a solution, then solve.
A committee of 3 people is selected from a group of 7 people. How many different ways can this be done?

Understand the concept of critical periods in the animal kingdom for learning species-specific vocalizations.

Explain the biological basis of musical ability and the effects of music training on the brain.

Describe the physical properties of sound waves and how they are translated into auditory perception.

Understand the causes, symptoms, and prevention methods for auditory conditions such as tinnitus.

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Definitions:

Adrenal Glands

Endocrine glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress responses.

Pancreas

A glandular organ in the digestive system and endocrine system which secretes digestive enzymes and hormones such as insulin.

Posterior Pituitary

An extension of the brain located at the base of the skull responsible for the secretion of hormones like oxytocin and vasopressin.

Metanephros

Most caudally located of the three excretory organs appearing during embryonic development; becomes the permanent kidney of mammals. In mammalian embryos, it is formed caudal to the mesonephros and develops later as the mesonephros undergoes regression.