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Question: Many companies use sampling to determine whether a batch should be accepted. An (n, c) sampling plan consists of inspecting n randomly chosen items from a batch and accepting the batch if c or fewer sampled items are defective. Suppose a company uses a (100, 5) sampling plan to determine whether a batch of 10,000 computer chips is acceptable.
a. The "producer's risk" of a sampling plan is the probability that an acceptable batch will be rejected by the sampling plan. Suppose the customer considers a batch with 3% defectives acceptable. What is the producer's risk for this sampling plan?
b. The "consumer's risk" of a sampling plan is the probability that an unacceptable batch will be accepted by the sampling plan. Our customer says that a batch with 9% defectives is unacceptable. What is the consumer's risk for this sampling plan?
An independent-measures t test produced a t statistic with df=20. If the same data had been evaluated with an analysis of variance, what would be the df values for the F-ratio?
the p-value of a hypothesis test is 0.0345.which of the following claims is correct?a reject ho at the 0.05
A sample of n = 25 scores has a mean of M = 40 and a variance of s2 = 100. If this sample is being used to test a null hypothesis stating that m = 43, then what is the tstatistic for the sample?
1- in general when is the median preferred to the mean as measure of location?2- in general when is the mode preferred
Data from a National Health Survey show that men's average weight is normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.
At a large university, 500 freshmen take their final exam for their marketing course. Scores are normally distributed with a mean 79 and standard deviation 7.
It has been reported that about 35% of U.S. adults attended a sports event during the previous year. What are the odds that a randomly selected U.S. adult attended a sports event during the year?
With y 5 percent of sales quota, perform a linear regression using the other variables as predic- tors. Interpret the partial regression coefficients and the R2 value for the model. At the 0.05 level, is the model significant?
Studies show that brushing every day with Gleam Toothpaste will extend the life of your teeth. This is an example of what fallacy?
Based on the various stepwise approaches and "best-subsets" approaches for selecting an excellent (if not optimal) fitted multiple regression model, which one approach would you select if you had to explain to a client what your chosen model is an..
If random samples of 36 download times are selected, what is the probability that the sample mean will be less than 0.84 seconds?
Search for a recent opinion poll dealing with some aspect of security (domestic or international). Make sure to trace the survey back to the original organization. Post in a discussion thread (i.e., on the Week Six discussion board) five questions..
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