(Choose 1 answer)
(See picture)
A. (-0.047, 0.058)
Β. (-0.038, 0.067)
C. None of the other choices is correct
D. (-0.038, 0.058)
Ε. (-0.047, 0.067)
Two different types of injection-molding machines are used to form plastic parts. Two random samples, each of size 100, are selected, and 5 defective parts are found in the sample from machine 1 while 4 defective parts are found in the sample from machine 2. Construct a two-sided 95%confidence interval on the difference in the two fractions defective.Let 20.05 = 1.65 and 20.025 = 1.96.
