# Question: A manufacturer of computer printers purchases plastic ink cartridges from

A manufacturer of computer printers purchases plastic ink cartridges from a vendor. When a large shipment is received, a random sample of 200 cartridges is selected, and each cartridge is inspected. If the sample proportion of defective cartridges is more than .02, the entire shipment is returned to the vendor.

a. What is the approximate probability that a shipment will be returned if the true proportion of defective cartridges in the shipment is .05?

b. What is the approximate probability that a shipment will not be returned if the true proportion of defective cartridges in the shipment is .10?

a. What is the approximate probability that a shipment will be returned if the true proportion of defective cartridges in the shipment is .05?

b. What is the approximate probability that a shipment will not be returned if the true proportion of defective cartridges in the shipment is .10?

## Answer to relevant Questions

The nicotine content in a single cigarette of a particular brand has a distribution with mean 0.8 mg and standard deviation 0.1 mg. If 100 of these cigarettes are analyzed, what is the probability that the resulting sample ...The amount of money spent by a customer at a discount store has a mean of $100 and a standard deviation of $30. What is the probability that a randomly selected group of 50 shoppers will spend a total of more than $5300? The use of the interval requires a large sample. For each of the following combinations of n and p^, indicate whether the sample size is large enough for use of this interval to be appropriate. a. n = 50 and p^ = .30 b. n = ...Why is an unbiased statistic generally preferred over a biased statistic for estimating a population characteristic? Does unbiasedness alone guarantee that the estimate will be close to the true value? Explain. Under what ...The Gallup Organization conducts an annual survey on crime. It was reported that 25% of all households experienced some sort of crime during the past year. This estimate was based on a sample of 1002 randomly selected ...Post your question