Elwin Osbourne, CIO at GFS, Inc

question 25

Multiple Choice

Elwin Osbourne, CIO at GFS, Inc., suspects that at least 25% of e-mail messages sent by GFS employees are not business related.A random sample of 300 e-mail messages was selected to test this hypothesis at the 0.01 level of significance.Fifty-four of the messages were not business related.The appropriate decision is to _______.

• A)increase the sample size
• B)gather more data
• C)reject the null hypothesis
• D)fail to reject the null hypothesis
• E)maintain status quo

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Definitions:

Ethnic Group

A community or population made up of people who share a common cultural background or descent.

Racism

A set of beliefs about the claimed superiority of one racial or ethnic group; used to justify inequality and often rooted in the assumption that differences among groups are genetic.

Prejudice

An unfounded or negative bias or judgment towards individuals or groups, often based on stereotypes, without knowledge of the individual circumstances.

Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, sex, or disability.