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1. For the double sampling plan N = 2000, n1=80, c1= 1, r1=3, n2= 100, c2=2, r2= 3, construct and interpret the ASN curve. Suppose that process average nonconforming rate is 1.5%. Would you prefer the stated double sampling plan or a single sampling plan with n =100, c =2 in order to minimize ASN?
2. For the double sampling plan N= 2200, n1= 60, c1=1, r1=5, n2= 120, c2= 4, r2=5, construct the ASN curve. Within what range of proportion nonconforming values would you prefer the stated double sampling plan over a single sampling plan with n= 85, c= 2 in order to minimize ASN?
In hypothesis testing when is a two-tail test used in lieu of a one-tail test?
Camyo Manufacturing produces four parts that require the use of a lathe and a drill press. The two machines operate 10 hours a day. The following table provides the time in minutes required by each part:
Categorize the following as discrete or continuous random variables.
suppose that the demand for a company s product in weeks 1 2 and 3 are each normally distributed and the mean demand
the data in this question come from from sen and srivastava exercise 2.12 2 and can be used to model car ownership
A contractor is considering a sale that promises a profit of $31,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $13,000 with a probability of 0.3. What is the expected profit?
the following information gives the number of days absent from work for a population of 5 workers at a small factory.
a researcher is interested in knowing if there are differences between the incidence of accidents among male and female
The scores on an undergraduate Statistics exam are normally distributed with a mean of 75 and a standard deviation of 8. What is the probability that a randomly selected student scores between 70 and 80 on this exam?
A statistical analysis of 1,000 long-distance calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with μ = 240 seconds and σ = 40 seconds.
Critically illustrate out the term standard deviation. Define mathematical averages. Why is the standard deviation less than the mathematical average?
The following sample data were obtained from three populations where the variances were not equal, and you wish to compare the populations.
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