In a Class of 20 Students, There Are 12 Girls

question 102

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 one girl and two boys.

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Definitions:

Mortgage Trust

A type of investment trust that pools mortgage loans, offering investors shares in the income derived from mortgage interest payments.

Unit Trust

A form of collective investment constituted under a trust deed, similar to mutual funds in certain jurisdictions.

Global Fund

An investment fund that diversifies its portfolio by investing in securities from markets around the world.

Securities

Tradable financial instruments that represent ownership or creditor relationships, such as stocks, bonds, and options.