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A company manufacturing bolts has 3 machines . machine A is older and produces 30% of the product.machince A and C produces half of the remaining product of the bolt produced by machine A , 5% or defective .the defect rate of the machine B and C is respectively 3% and 2%. one bolt produced at this factory is randomly choosen and is found to be defective . what is the probability that it was produced by machine B?
A flour manufacturer packs flour into paper bags, each of which is supposed to hold 10 pounds, or 160 ounces. Some customers have complained that the bags hold only 9.5 pounds, or 152 ounces.
John, a medical practitioner at a private medical facility, is discussing the problem that one of his patients, Tom, says he has been having with the medication that the doctor has prescribed.
Car Emissions: Listed below are measured amounts of greenhouse gas emissions from cars in three different categories. The measurements are in tons per year, expressed as CO2 equivalents.
We assume that we have selected two independent random samples from populations having proportions p 1 and p 2 and that p-hat 1 = 800/1000 and p-hat 2 = 950/1000
Consider a random sample of size n from a normal distribution, Xi ~ N(m,9). a) Find the CRLB for the variances of unbiased estimators of m. b) Is the MLE, m(hat) = X(bar), a UMVUE of m?
One flight daily to a certain destination. The following information shows the probability distribution of late arrivals for that flight in the past month:
Based on the model N(1152,84) describing Angus steer weights, what are the cutoff values for.
Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.
What are the four assumptions for the chi-square tests? What are the hypothesis when conducting the chi-square tests for goodness-of-fit?
Determine the distributions given below represent a probability distribution. Justify your answer.
What value is business research and hypothesis testing to a company? What is the "perfect" standard normal distribution? Explain your answer.
Denote the Bergen County population mean as µ1 and the Morris County population mean as µ2. Using a significance level of your choice, carry out a hypothesis test for H0: µ1 ≥ µ2.
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