If the Null Hypothesis in a One-Sided Hypothesis Test for a Population

Multiple Choice

If the null hypothesis in a one-sided hypothesis test for a population mean is rejected at the 5% level of significance,then the null hypothesis in the corresponding hypothesis two-sided test is guaranteed to be rejected at the ____ level of significance.

A) 10%
B) 5%
C) 2.5%
D) 1%
E) 0.1%