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A machine that manufactures automobile pistons 1% is estimated to produce a defective piston of the time. Suppose that this estimate is correct and that a random sample of 90 pistons produced by this machine is taken.
A. Estimate the number of pistons in the sample that are defective by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
B. Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.
Post an essay in which you apply your knowledge of project planning to analyse the following scenario: A client of an IS/IT software project suggests that the manager of the project develop the project plan in more detail as the project progresses..
When testing the executive's (using a 1% level ofsignificance), what can you conclude concerning the null hypothesis? Reject the null hypothesis or Fail to reject the null hypothesis?
USA Manufacturing issued 30-year, 7.5% semiannual bonds 6 years ago. The bonds currently sell at 101% of face value. What is the firm's after-tax cost of debt
List the eight phases of development of a canal system. Discuss the possible costs incurred by the canal owner, the canal users (shippers), and the surrounding community at each phase of developing this engineering system.
Find a 95% confidence interval for the difference in the mean reduction in blood sugar levels between diet types 2 and 4. Is there a difference between the two diet types?
Using multiple linear regression, compute the regression equation for the following data in Excel.
Principal components can be used as multivariate indices, for example, when evaluating toxicity in phase III clinical trials for cancer treatment. The following table of n = 6 observations for p = 3 random variables is given by Herson (1980).
We are planning an experiment comparing three fertilizers. We will have six experimental units per fertilizer and will do our test at the 5% level. One of the fertilizers is the standard and the other two are new;
there are 20000 eligible voters in york county south carolina. a random sample of 500 york county voters revealed 350
What is the period prevalence of hypertension among males in the entire sample of workers during this three-year period?
2. The tar contents of 8 brands of cigarettes selected at random from the latest list released by the Federal Trade Commission are as follows: 7.3, 8.6, 10.4, 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate
Implement your model on a spreadsheet and find an optimal solution. Explain the reduced cost associated with standard desks.
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