The Number of Ways to Choose K Out of N

question 2

Multiple Choice

The number of ways to choose k out of n things is ______.

• A)the number of ways to choose k - 1 out of n - 1 things
• B)the number of ways to choose k out of n - 1 things
• C)the sum of the number of ways to choose k - 1 out of n - 1 things and the number of ways to choose k out of n - 1 things
• D)the product of the number of ways to choose k - 1 out of n - 1 things and the number of ways to choose k out of n - 1 things

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, hypertension, and stroke.

Routine Assessment

Regular evaluation or examination of a procedure, process, or health status to ensure normal operation or condition.

Gain Trust

The process of establishing confidence and reliability in a relationship, ensuring that one can be depended upon or believe in the actions or words of another.

3-year-old Child

A developmental stage in children characterized by rapid growth in language, cognitive abilities, and social skills, typically aged between 36 and 47 months.