Given the null and alternative hypotheses, sample means, sample sizes, and population standard deviations shown to the right, conduct a hypothesis test using an alpha level equal to 0.01.	H0: 120 HA: 12<0	x1	=	143	x2	=	149
1	=	11	2	=	14
n1	=	55	n2	=	65

Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice.

(Round to

two

decimal places as needed.)

A.

z

B.

z>enter your response here

C.

z

or

z>enter your response here