Construct a $90 \%$ confidence interval for $\left( p _ { 1 } - p _ { 2 } \right)$ when $n _ { 1 } = 400 , n _ { 2 } = 550 , \hat { p } _ { 1 } = .42$, and $\hat { p } _ { 2 }$ $= .63$.

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The Answer of Construct a $90 \%$ confidence interval for $\left( p _ { 1 } - p _ { 2 } \right)$ when $n _ { 1 } = 400 , n _ { 2 } = 550 , \hat { p } _ { 1 } = .42$, and $\hat { p } _ { 2 }$ $= .63$.

Construct A 90%90 \%90% Confidence Interval For (p1−p2)\left( p _ { 1 } - p _ { 2 } \right)(p1​−p2​)

Construct A $90 \%$ Confidence Interval For $\left( p _ { 1 } - p _ { 2 } \right)$