In a Survey Conducted in November 2002 of 1,400 International

question 268

Multiple Choice

In a survey conducted in November 2002 of 1,400 international business travelers concerning in-flight service over the past few years, the following information was obtained. ​ If a person in the survey is chosen at random, what is the probability that he or she has rated the in-flight service as remaining the same or improved over the time frame in question?

• A) 0.695
• B) 0.655
• C) 0.685
• D) 0.675
• E) 0.665

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Definitions:

Closely Related

Closely related refers to entities that share a significant amount of common characteristics or genetic material, often leading to similarities in form, function, or behavior.

Chimpanzees

Highly intelligent primates, closely related to humans, known for their complex social behaviors and use of tools, inhabiting forests and savannas of Africa.

Gorillas

Large apes native to the forests of central Sub-Saharan Africa and considered the largest living primates.

Modern Humans

Homo sapiens, the species to which all existing human beings belong, characterized by a highly developed brain, capable of abstract thinking, language, and the creation of complex tools and societies.