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

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Definitions:

Pierre-Joseph Proudhon

A French socialist philosopher and politician, best known for his declaration that "property is theft" in the context of his critique of the social injustices of his time.

External Benefits

Benefits of a product or service that are enjoyed by people who are not directly involved in the purchase or production of it.

Federal Government

The national government of a federal country, which holds the central political authority.

Abolition

The action of abolishing a system, practice, or institution, such as slavery or capital punishment.