From a Population with a Variance of 900, a Sample

question 63

Multiple Choice

From a population with a variance of 900, a sample of 225 items is selected. At 95% confidence, the margin of error is

• A)15
• B)2
• C)3.92
• D)4

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Definitions:

Fireworks

Pyrotechnic devices used for entertainment purposes that explode in the sky to produce colorful patterns and effects, commonly used in celebrations.

Gilberto

A male given name of Portuguese or Spanish origin, often associated with people of significance within various fields such as music, sports, or the arts.

Trumpet

A brass musical instrument with a flared bell and a bright, penetrating tone.

Wynton Marsalis

An acclaimed American trumpeter, composer, and educator, known for his contributions to jazz and classical music.