Construct and Interpret Confidence Intervals for the Difference Between Two $98 \%$

question 21

Multiple Choice

Construct and Interpret Confidence Intervals for the Difference between Two Population Proportions
-Construct a $98 \%$ confidence interval for $\mathrm { P } _ { 1 } - \mathrm { p } _ { 2 }$ . The sample statistics listed below are from independent samples.
Sample statistics: $\mathrm { n } _ { 1 } = 1000 , \mathrm { x } _ { 1 } = 250$ , and $\mathrm { n } _ { 2 } = 1200 , \mathrm { x } _ { 2 } = 195$

• A) \(( 0.047,0.128 )\)
• B) \(( - 0.621,0.781 )\)
• C) \(( 0.581,1.819 )\)
• D) \(( 1.516,3.021 )\)

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