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The probability law of the number of white balls in a sample drawn without replacement from an urn of random composition. Consider an urn containing N balls. Suppose that the number of white balls in the urn is a numerical valued random phenomenon obeying (i) a binomial probability law with parameters N and p, (ii) a hyper geometric probability law with parameters M, N, and p. [For example, suppose that the balls in the urn constitute a sample of size N drawn with replacement (without replacement) from a box containing M balls, of which a proportion p is white.] Let a sample of size n be drawn without replacement from the urn. Show that the number of white balls in the sample obeys either a binomial probability law with parameters n and p, or a hyper geometric probability law with parameters M, n, and p, depending on whether the number of white balls in the urn obeys a binomial or a hyper geometric probability law.
1. the scores on the mathematics section of the sat typically follow the normal curve. suppose the average was a 510
Two-liter plastic bottles used for bottling cola are shipped in lots of 100. Suppose the lots are 5 percent defective. Some bottles leak, some are too small, and so forth.
Pet ownership among older adults.- Give a 95% confidence interval for the proportion of older adults in this population who are pet owners.
You are playing a game of chance in which four cards are drawn from a standard deck of 52 cards. You guess the suit of each card before it is drawn.
It is known that the mean lacunarity measurement for all grassland pixels is 220. Do the data suggest that the area sampled is grassland? Test at α = .01.
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
Use differential calculus to find both sales volume at which revenue is maximised and the maximum revenue available from sales of product X.
a software developer is interested in finding what the best color theme should be for an engine diagnostic program for
Use the Internet or Strayer Library to research a global business or an organization of your choice. Next, analyze the overall effect of global competition on the business or the organization that you researched. Suggest one strategy that the busi..
How are data-heavy reports similar to and different from reports requested in your current or previous organizations?
Twenty sophomores are randomly selected from campus dormitories at a college, and 20 other sophomores are randomly selected from students who live off campus.
What is the prediction for Home Price if Square Feet = 2,000? (c) Would the intercept be meaningful if this regression applies to home sales in a certain subdivision?
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