When Testing a Two-Tailed Hypothesis Using a Significance Level of 0.05

Multiple Choice

When testing a two-tailed hypothesis using a significance level of 0.05, a sample size of n = 16, and with the population standard deviation unknown, which of the following is true?

A) The null hypothesis can be rejected if the sample mean gets too large or too small compared with the hypothesized mean.
B) The alpha probability must be split in half and a rejection region must be formed on both sides of the sampling distribution.
C) The test statistic will be a t-value.
D) All of the above are true.