Elwin Osbourne,CIO at GFS,Inc

question 63

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 _______.

• 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