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Construct the Indicated Confidence Interval for the Difference Between Population x1=27,n1=67\mathrm { x } _ { 1 } = 27 , \mathrm { n } _ { 1 } = 67

Question 40

Multiple Choice

Construct the indicated confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected.
- x1=27,n1=67\mathrm { x } _ { 1 } = 27 , \mathrm { n } _ { 1 } = 67 and x2=27,n2=72;\mathrm { x } _ { 2 } = 27 , \mathrm { n } _ { 2 } = 72 ; Construct a 95%95 \% confidence interval for the difference between population proportions P1P2\mathrm { P } 1 - \mathrm { P } 2 .


A) 0.210<p1p2<0.5960.210 < \mathrm { p } 1 - \mathrm { p } 2 < 0.596
B) 0.165<p1p2<0.596- 0.165 < \mathrm { p } 1 - \mathrm { p } 2 < 0.596
C) 0.134<p1p2<0.190- 0.134 < \mathrm { p } _ { 1 } - \mathrm { p } _ { 2 } < 0.190
D) 0.241<p1p2<0.5650.241 < \mathrm { p } 1 - \mathrm { p } 2 < 0.565

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