Suppose a Normal Model Describes the Number of Pages Printer

question 34

Multiple Choice

Suppose a Normal model describes the number of pages printer ink cartridges last. If we keep track of printed pages for the 47 printers at a company's office, which must be true?
I. The page counts for those ink cartridges will be normally distributed. II. The histogram for those page counts will be symmetric.
III. 95% of those page counts will be within 2 standard deviations of the mean.

• A) I, II, and III
• B) I only
• C) II only
• D) none
• E) II and III

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Definitions:

Vocal Sounds

Human or animal sounds produced through the mouth and vocal cords, serving as a primary means of communication.

Linguistic Determinism

The concept that language determines or significantly influences thought patterns and perceptions of the world.

Language Acquisition

The process by which humans gain the ability to perceive and comprehend language, as well as to produce and use words and sentences to communicate.

Insight Theory

A psychological theory suggesting that problem-solving can sometimes happen suddenly through understanding the relationships between various parts of a problem rather than through trial and error.