Elwin Osbourne, CIO at GFS, Inc

Multiple Choice

Elwin Osbourne, CIO at GFS, Inc., suspects that at least 25% of email messages sent by GFS employees are not business related.A random sample of 300 email 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) do not reject the null hypothesis
E) maintain status quo