Elwin Osbourne,CIO at GFS,Inc

question 58

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 _______.

• 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:

Private Corporations

Business entities owned by private individuals or groups, not controlled by the government, and operated for profit.

Public Health System

The network of organizations and institutions aimed at protecting and improving the health of populations through preventative care, education, and healthcare services.

Drinking Water

Water that is safe for consumption by humans and other living organisms without risk of health effects.

Sanitation Services

Public services that manage waste disposal, sewage, and cleanliness to maintain public health and environmental standards.