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 to _______.
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
Correct Answer:
Verified
Correct Answer:
Verified
Q20: Albert Miller, VP of Production of
Q21: Ophelia O'Brien, VP of Consumer Credit
Q22: If the p-value for a one-tailed test
Q23: Discrete Components, Inc.manufactures a line of
Q24: A home building company routinely orders standard
Q26: Consider the following null and alternative
Q27: The rejection and nonrejection regions are divided
Q28: If the null hypothesis is in reality
Q29: When using the t test to
Q30: The lifetime of a squirrel follows