A Local University Reports That 10% of Their Students Take

question 123

Short Answer

A local university reports that 10% of their students take their general education courses on a pass/fail basis. Assume that fifteen students are registered for a general education course.
a.What is the expected number of students who have registered on a pass/fail basis?
b.What is the probability that exactly five are registered on a pass/fail basis?
c.What is the probability that more than four are registered on a pass/fail basis?
d.What is the probability that less than two are registered on a pass/fail basis?

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Definitions:

Psychoanalytic Theory

A theory of human psychology that posits unconscious motives and childhood experiences are central to personality development and behavior.

Behaviorists

Psychologists who focus on observable behaviors and the ways in which they're learned, rather than on internal mental processes.

Scientific Method

A systematic, empirical method of investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Unconscious Mind

A part of the mind that influences thoughts, feelings, and behaviors without our direct awareness, containing desires, fears, and motivations.