Test the claim about the difference between two population means p and p2 at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed Claim Py = 12. a=0.01 Population statistics. of =3.3, 62 =1.7 Sample statistics x, = 18, n, = 31, x2 =20, n2 =27 Determine the alternative hypothesis Determine the standardized test statistic. z= (Round to two decimal places as needed.) temp Determine the P-value P-value = (Round to three decimal places as needed) 0 of What is the proper decision? O A. Fail to reject Ho There is enough evidence at the 1% level of significance to reject the claim. O B. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. O C. Reject Ho There is not enough evidence at the 1% level of significance to reject the claim O D. Reject Ho. There is enough evidence at the 1% level of significance to reject the claim Time Remaining: 00:37:09 Next Statcrunch Multimedia Library