An inspector inspects large truckloads of potatoes to determine the proportion p

Question

An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to using the potatoes to make potato chips. Unless there is clear evidence that this proportion, p, is less than 0.10, he will reject the shipment. He selects a random sample of 200 potatoes from the more than 5000 potatoes on the truck. Twelve of the potatoes sampled are found to have major defects. How would you interpret the meaning of this confidence interval? 0 a. You are 95% certain that the true population of defective potatoes lies somewhere between the lower bound and the upper bond of the confidence interval. O b. You obtained the lower and upper bounds of the confidence interval using a method that provides correct results 95% of the time. O c. Both (a) and (b). O d. Neither (a) nor (b).

Explanation / Answer

Data for everything is given except the level of significance of the confidence interval. Hence the answer is option (d). Neither (a) nor (b)

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