A Computer Store Has 50 Printers of Which 40 Are

question 19

Multiple Choice

A computer store has 50 printers of which 40 are laser printers and 10 are ink jet printers. If a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet
Printers.

• A) Mean = 2, Variance = 0.2
• B) Mean = 2, Variance = 3
• C) Mean = 1, Variance = 0.2
• D) Mean = 2, Variance = 1.6

---

Definitions:

Ratings Board

An organization responsible for evaluating and assigning age and content ratings to films, games, or other media to inform consumer choices.

U.S. Congress

The bicameral legislature of the federal government of the United States, consisting of two houses: the Senate and the House of Representatives.

Mass-Media Depictions

The portrayal or representation of individuals, concepts, and issues in various forms of mainstream media.

Liberal Causes

Political or social causes that seek to promote freedom, equality, and social justice, often associated with progressive or left-leaning movements.