A research firm carried out a hypothesis test on a population proportion using a left- tailed alternative hypothesis. Which of the following z- scores would be associated with a p- value of 0.04? Round to the nearest hundredth.
A)z = 2.50
B)z = - 2.50
C)z = - 1.75
D)z = 1.75

Question

Quizplus · Accepted Answer

A left-tailed test with a p-value of 0.04 corresponds to a z-score of approximately -1.75, as it indicates the z-score where the cumulative probability is 0.04.

A Research Firm Carried Out a Hypothesis Test on a Population