When is the t distribution used instead of the Z distribution to test the significance of the difference between two sample proportions?
A)never
B)when sample size is very large
C)when one sample is much larger than the other
D)when N is small

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The Answer of When is the t distribution used instead of the Z distribution to test the significance of the difference between two sample proportions?
A)never
B)when sample size is very large
C)when one sample is much larger than the other
D)when N is small

When Is the T Distribution Used Instead of the Z