In the Past,of All the Students Enrolled in "Basic Business

question 118

Essay

In the past,of all the students enrolled in "Basic Business Statistics," 10 percent earned A's,20 percent earned B's,30 percent earned C's,20 percent earned D's,and the rest either failed or withdrew from the course.Dr.Johnson is a new professor teaching "Basic Business Statistics" for the first time this semester.At the conclusion of the semester,in Dr.Johnson's class of 60 students,there were 10 A's,20 B's,20 C's,5 D's,and 5 W's or F's.Assume that Dr.Johnson's class constitutes a random sample.Dr.Johnson wants to know if there is sufficient evidence to conclude that the grade distribution of his class is different from the historical grade distribution.Calculate the expected values for B's and C's.

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Definitions:

Team

A collection of people who regularly interact to pursue common goals.

Team Members

Individuals who work together in a coordinated effort to achieve specific group objectives.

Norms

Established standards or patterns of behavior that are accepted within a group or society.

Behaviour

Refers to the actions or reactions of an object or organism, usually in relation to the environment or surrounding.