Kizspy | Question: 71
(Choose 1 answer)
(See picture)
Α. (-0.026, 0.066)
Β. (-0.015, 0.055)
C. (-0.015, 0.066)
D. (-0.026, 0.055)
E. None of the other choices is correct
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 3 defective parts are found in the sample from machine 2. Construct a two-sided 90%confidence interval on the difference in the two fractions defective.Let 20.11.28 and 20.05 1.65.
