A researcher wants to know if female CU graduate students are shorter than the national average height of 64 inches. After randomly sampling a group of female CU graduate students the researcher conducts a hypothesis test at a level of significance of a = 0.05 and calculates a p-value of 0.2901. What should the researcher conclude? O Since p>a, the researcher should fail to reject the null hypothesis and conclude that there is insufficient evidence that female CU graduate students are shorter than the national average. O Since p