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The Following MINITAB Output Display Presents a 95% Confidence Interval

Question 23

Multiple Choice

The following MINITAB output display presents a 95% confidence interval for the difference between two proportions.
 Sample XN Sample P 1347750.0438712229670.022751\begin{array} { l r r c } \text { Sample } & \mathrm { X } & \mathrm { N } & \text { Sample P } \\ 1 & 34 & 775 & 0.043871 \\ 2 & 22 & 967 & 0.022751 \end{array}

Difference =p(1) p(2) = p ( 1 ) - p ( 2 )
Estimate for difference: 0.021120.02112
95%95 \% CI for difference: (0.001,0.041) ( 0.001,0.041 )
Fill in the blanks: We are 95% confident that the difference between the proportions is between ______ and ______.


A) 0.001,0.0410.001,0.041
B) 0.022751,0.0438710.022751,0.043871
C) 775,967
D) 0,0.021120,0.02112

Correct Answer:

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