In a Class of 20 Students, There Are 12 Girls

question 55

Short Answer

In a class of 20 students, there are 12 girls and 8 boys. Three students are selected to be teacher's
assistants. Find the probability that the group consists of all girls.

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Definitions:

Equilibrium Price

The charge where the amount of merchandise supplied equals the amount consumers are willing to purchase.

Inelastic Demand

A situation where the demand for a product does not significantly change with a change in price.

Elastic Supply

A situation where the supply of a good changes significantly when its price changes.

Tax Burden

The measure of the impact of taxation on an individual's or entity's income, assets, or purchasing power.