(Choose 1 answer)
(See picture)
Α. (-0.043, 0.063)
Β. (-0.043, 0.058)
C. (-0.038, 0.058)
D. (-0.038, 0.063)
E. None of the other choices is correct
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Exit 5
Two different types of injection-molding machines are used to form plastic parts. Two random samples, each of size 200, are selected, and 10 defective parts are found in the sample from machine 1 while 8 defective parts are found in the sample from machine 2. Construct a two-sided 99%confidence interval on the difference in the two fractions defective.Let 20.01 = 2.33 and zo.005 = 2.58.
