Develop a confidence interval
Develop a 95% confidence interval for p1-p2. The sample statistics listed below are from independent samples.
x1=35 x2=40
n1=50 n2=60
A. ( -0.141, 0.208 )
B. ( -0.871, 0.872 )
C. ( -1.341, 1.781 )
D. ( -2.391, 3.112 )
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