40
(Choose 1 answer)
Let 20.05 1.645; 20.01 2.326; Z0.005 2.575
To investigate the percentage of defective bags, a random sample of 200 bags is taken from the machine's production and a count reveals 12 defective bags. Construct 99%confidence interval estimate for the true proportion of defective bags.
A. (0.0248; 0.0952)
Β. (0.0324; 0.0876)
C. None of the other choices is correct
D. (0.0209; 0.0991)
Ε. (0.0168; 0.1032)
