Construct the Confidence Interval for the Difference $p _ { 1 } - p _ { 2 }$

question 16

Multiple Choice

Construct the confidence interval for the difference $p _ { 1 } - p _ { 2 }$ for the given level and values of $x _ { 1 } , n _ { 1 }$ , $x _ { 2 }$ , and $n _ { 2 }$ .
Level $98 \% : x _ { 1 } = 27 , n _ { 1 } = 64 , x _ { 2 } = 16 , n _ { 2 } = 55$

• A) (-0.048, 0.310)
• B) (-0.063, 0.325)
• C) (-0.038, 0.300)
• D) (-0.054, 0.316)

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