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.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) do not reject the null hypothesis
E) reject the null hypothesis