The multiplier used for calculating a 95% two-sample z-interval for a difference in population proportions is 1.96.
Question:
The multiplier used for calculating a 95% two-sample z-interval for a difference in population proportions is 1.96. For a similar 90% confidence interval the multiplier:
A. Is smaller.
B. Is larger.
C. Is 1.96.
D. Depends on the sample size.
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Related Book For 
Introduction To Statistical Investigations
ISBN: 9781119683452
2nd Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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