need help on these questions

(c) For z = - 1.129, should you reject or fail to reject the null hypothesis? O A. Reject Ho because - 1.285 1.285. O D. Fail to reject Ho because z > 1.285. (b) For z = 1.321, should you reject or fail to reject the null hypothesis? O A. Fail to reject Ho because z> 1.285. O B. Fail to reject Ho because - 1.285 1.285. (c) For z= - 1.129, should you reject or fail to reject the null hypothesis? O A. Reject Ho because - 1.285