State whether the standardized test statistic z indicates that you should reject the null hypothesis. (a) z = 1.947 (b) z = 2.043 (c) z= 1.769 (d) z=2.198 (a) For z = 1.947, should you reject or fail to reject the null hypothesis? O A. Fail to reject Ho because z> 1.960. B. Fail to reject Ho because - 1.960 1.960. OD. Reject Ho because - 1.960

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