In a two-tailed hypothesis test the test statistic is determined to be z =-2.5. The p-value for this test
A)is 0.0062
B)is 0.0124
C)is 0.4938
D)cannot be determined, since the level of confidence is not given.

Question

Quizplus · Accepted Answer

The p-value for a two-tailed test with a z-score of -2.5 is 2 times the area to the left of -2.5 in the standard normal distribution, which is approximately 0.0124.

In a Two-Tailed Hypothesis Test the Test Statistic Is Determined