☑Kizspy.me
(Choose 1 answer)
(See picture)
☐ A
A. None of the other choices is correct
☐ C
B. (-0.038, 0.058)
C. (-0.038, 0.067)
☐ E
D. (-0.047, 0.067)
E. (-0.047, 0.058)
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FUQ.sh
sh the exam.
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 Z0.05
= 1.65 and Z0.025
= 1.96.
