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Suppose the legislature in a particular state wanted to know what proportion of students graduating from the state university last year were permanent residents of the state.
The university had information for all students showing that 3900 of the 5000 graduates were state residents. Is a confidence interval appropriate for this situation? If so, compute the appropriate interval. If not, explain why not.
1. What is a business plan, for whom is it prepared, and why? 2. What should a complete business plan include?
(i) Plot the pdf f (x) for the single large CSTR's residence time distribution and the pdf f (y) for the ensemble of ?ve identical small reactors in series. Determine the mean residence time in each case. (ii) Compute P (Y ≤ 5) and compare wit..
Suppose you are sampling from a population with population variance σ2= 1,000,000. You want the standard deviation of the sample mean to be at most 25. What is the minimum sample size you should use?
What are some plausible alternative explanations for this finding; that is, what variables other than wine could explain the finding?
Construct a 90% confidence interval for the proportion of all sales invoices that were for customers buying less than $2000 worth of merchandise during the year.
Why is it essential to define clearly the population when undertaking research? Illustrate your answer with reference to a survey on raising the UK statutory age for retirement.
the random variable x has a poisson distribution with mean 40. give an approximate value of the probability p 37 less
Suppose that in a particular state consisting of four distinct regions, a random sample of nk voters is obtained from the k th region for k = 1, 2, 3, 4. Each voter is then classified according to which candidate (1, 2, or 3) he or she prefers and..
Five students took a math test before and after tutoring. Their scores were as follows. Using a 0.01 level of significance, test the claim that the tutoring has an effect on the math scores.
question the glen valley steel company manufactures steel bars. if the production process is workingproperly it turns
How long do you exactly need to complete the other question asked? It is very critical for me.
State the values of the coefficient of correlation and coefficient of determination correct to three decimal places
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