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A sampling inspection program has a 0.10 probability of rejecting a lot when the true proportion of defectivesis 0.01, and a 0.95 probability of rejecting the lot when the true proportion of defectives is 0.03. If 0.01 is the AQL and 0.03 is the LTPD, what are the producer's and consumer's risks?
Clearly identify the independent and dependent variables you would study. Determine whether a one-tail or two-tail test is most appropriate and explain why. Generate a testable null statistical hypothesis and an alternative statistical hypothesis.
Compare the mean of the sampling distribution of sample means with that of the population.
The next table shows the results of this independent t-test. At the .05 significance level, can we conclude that there is a difference in their mean times? Explain these results to a person who knows about the t test for a single sample but is unf..
What score was earned by more students than any other score? Why? What was the highest score earned on the exam?
The standard deviation is one of the most important concepts in the area of statistics. In your own words, define standard deviation. Give an example of how you have used the concept of standard deviation in your life
A week later the analysis had been completed. Of a total of 144 accounts (including the nine reported in part b), the average was x- = $11,254. Find the posterior distribution for μ for each of the two prior distributions. Calculate P(Μ > $11,000) f..
A department store, on average, has daily sales of $28,707.47. The standard deviation of sales is $1000. On Tuesday, the store sold $34,650.77 worth of goods. Find Tuesday's z score. Was Tuesday an unusually good day?
according to an irs study it takes a mean time of 330 minutes for taxpayers to prepare copy and electronically transfer
suppose it is known that 10 of people who play poker machines have a gambling problem. suppose it is also known that 20
A financial analyst is interested in estimating the average amount of a foreign loan by U.S. banks. Construct the Stratum weights for proportional allocation
Suppose a random sample of 10 American workers is selected. What is the probability that more than seven of them say job stress caused frequent health problems? What is the expected number of workers who say job stress caused frequent health probl..
Calculate a four-quarter weighted moving average for the number of America Online (AOL) subscribers for the nine quarters of data. The data are reported in thousands.
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