How Many Students Must Be in a Class to Guarantee

question 2

Essay

How many students must be in a class to guarantee that at least five were born on the same day of the week?

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Definitions:

Decreased

To become smaller or less in size, amount, intensity, or degree.

Fluctuated

To change or cause to change position constantly; to vary or oscillate unpredictably.

Big Five

A psychological framework that defines personality through five major traits: openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Temperament

The aspects of an individual's personality that are believed to be biologically based and observable from a young age, such as mood, energy level, and emotional reactivity.