A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 in a two-tailed test is +1.96.The observed z value from sample data is 2.85.The decision made by the researcher based on this information is to _____ the null hypothesis.

A) reject
B) fail to reject
C) redefine
D) change the alternate hypothesis
E) restate