Elwin Osbourne, CIO at GFS, Inc

question 115

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.Sixty of the messages were not business related.The appropriate decision is to _______.

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

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Definitions:

Prevalent

refers to something that is common or widespread within a particular area or at a particular time.

Effective Treatment

A therapeutic approach or intervention that has been scientifically proven to improve symptoms or conditions in a meaningful way.

Observational Learning

The process of learning behaviors or skills by watching and imitating others.

Operant Conditioning

A learning process where behavior is controlled by consequences, including rewards and punishments.