When a Computed Z-Value (For a Test for Differences Between

Multiple Choice

When a computed z-value (for a test for differences between two percentages) ,say 4.51,is larger than the standard z-value,say 1.96,then this amounts to

A) support for the null hypothesis;the two percentages are different.
B) no support for the null hypothesis;the two percentages are not different.
C) support for the null hypothesis;the two percentages is not different.
D) no support for the null hypothesis;the two percentages are different.
E) None of these are correct.