We want to test H₀: µ= 1.5 vs. Ha: µ≠ 1.5 at α= .05. A 95% confidence interval for µ calculated from a given random sample is (1.4, 3.6). Based on this finding we
A. Cannot make any decision at all because the distribution of the population is unknown.
B. Fail to reject H₀.
C. Reject H₀.
D. Cannot make any decision at all because the value of the test statistic
E. Cannot make any decision at all because (1.4, 3.6) is only a 95% confidence interval for µ.
Answer: B