In a random sample of 100 parts ordered from vendor A, 12 were defective. In a random
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a. Estimate the proportion of parts from vendor A that are defective, and find the uncertainty in the estimate.
b. Estimate the proportion of parts from vendor B that are defective, and find the uncertainty in the estimate.
c. Estimate the difference in the proportions, and find the uncertainty in the estimate.
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Let X be the number of defective parts in the sample from vendor A and let Y be the number of defe...View the full answer
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