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Consider the double-sampling plan for which both sample sizes are 50. The lot is accepted after the first sample if the number of defectives is at most 1, rejected if the number of defectives is at least 4, and rejected after the second sample if the total number of defectives is 6 or more. Calculate the probability of accepting the lot when p = .01, .05, and .10.
Sample mean is 12.2 days and sample standard deviation is 10 days. How many personnel files would director have to choose to evaluate to within 2 days with 99% confidence interval?
If a person were to guess a number from 1-10, the chance of guessing a 4 would be 0.1. If 5 people were asked to guess a number from 1-10, the chance of guessing a 4 would be 0.5. The chance of 2 people guessing a 4 would be (0.1)(01.)=(0.01), correc..
the average lifetime of a light bulb is 3000 hours with a standard deviation of 696 hours. a simple random sample of 36
If the Sum of Squares for Treatments (SST) is 10% of SS(Total), and the Sum of Squares for Blocks (SSB) is 20% of SS (Total), find the F values for this experiment.
a set of 200 score is normally distributed with a mean of 60 and a standard deviation of 12 . what are the z scores
A population is normally distributed with the mean of 100 and a standard deviation of Would it be unusual for mean of sample of 3 to be 115 or more? Why or why not?
Using this he gives a cost estimate of $24,000 for a new order for 500 units. Is this a reasonable cost estimate? Explain why or why not. Looking at the data on file, can you give a better cost estimate?
ken ramsing has been in the lumber business for most of his life. kens biggest competitor is pacific woods. through
in a study of elephants a researcher wishes to determine the average weight of a certain subspecies of elephants. from
the weight of food packed in certain containers is a random variable with a mean of 16 oz. and a standard deviation of
The number of computer interruptions per day at a plan
an incomplete frequency disribution is given below class intervals frequency 0-10 4 10-20 16 20-30 ---- 30-40 ----
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