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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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?
A. Fail to reject Ho because z> 1.960.
B. Fail to reject Ho because - 1.960<z< 1.960.
O C. Reject Ho because z> 1.960.
D. Reject Ho because -1.960 <z< 1.960.
Zo
-1.960
0
Zo
.960
Z
Ly
Transcribed Image Text: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? A. Fail to reject Ho because z> 1.960. B. Fail to reject Ho because - 1.960<z< 1.960. O C. Reject Ho because z> 1.960. D. Reject Ho because -1.960 <z< 1.960. Zo -1.960 0 Zo .960 Z Ly
Expert Solution
Step 1

(a) Z=1.947 

(b) Z=2.043 

(c) Z=-1.769 

 

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