Seventy-Five Percent of the Computers Sold by a Certain Store

question 28

Multiple Choice

Seventy-five percent of the computers sold by a certain store are laptops. Among 150 randomly selected computer purchases, what is the approximate probability that at most 125 are laptops? What is the approximate probability that between 100 and 120 (inclusive) are laptops? ​

• A) ; .
• B) ; .
• C) ; .
• D) ; .
• E) ; .

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Definitions:

Song Learning

The process through which birds acquire their vocalizations by listening to and imitating the songs of conspecifics, primarily during a sensitive phase early in life.

Environment Influence

Environment influence refers to the impact that surroundings and conditions have on the development, behavior, and survival of organisms.

Population Differences

Variations between groups of organisms of the same species, which may be due to genetic factors, environmental conditions, or both, and can lead to adaptations.

Developmental Explanation

An approach explaining behaviors or traits by understanding the changes that occur in an organism from birth to maturation.