A Class Consists of 20 Sophomores and 15 Freshmen

question 88

Short Answer

A class consists of 20 sophomores and 15 freshmen. The club needs to choose four different members to be president, vice president, secretary, and treasurer.
(a) In how many ways is this possible?
(b) In how many ways is this possible if sophomores will be chosen as president and treasurer and freshmen as vice president and secretary?

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Definitions:

GDP Deflator

A measure for evaluating the price index of all fresh, domestically produced, final goods and services in an economy.

Population

The total number of people inhabiting a particular territory or geographic area.

GDP Deflator

An economic metric that converts the money-value measure of GDP to a measure of real GDP by accounting for inflation or deflation.

GDP Deflator

A measure that reflects the prices of all goods and services produced domestically, accounting for inflation within a country's economy.