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Let X1, X2, X3 be r.v.'s with p.d.f. f given by f(x1, x2, x3) = 8x1x2x3 IA(x1, x2, x3), where A = (0, 1) ´ (0, 1) ´ (0, 1).
i) Show that these r.v.'s are independent;
ii) Calculate the probability P(X1 <>X2 X3).
How can we be certain that surveys and statistics that we hear about in the media are accurate samples and unbiased? Is there a way to dissect the information and determine if a probability sample was used?
for testing the difference between two population proportions the pooled proportion estimate should be used in the
Describe the purpose of transforming raw scores into standard scores. Describe what "normal distribution" means.
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How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
question the manager of a frozen yogurt store claims that a medium-size serving contains an average of more than 4
For this question you will be examining the data-set labelled "Election_2011" which you can find in the assignment folder. In the dataset you will find the results from the 2011 Canadian federal election for the Maritime provinces, showing the rid..
Below is the profit model spreadsheet for a shoe manufacturer in the month of January. 1) Calculate the revenue for units sold.
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Binomial distribution for large values of the number of trials, n. Suppose that Y has a binomial distribution with n trials and probability of success on any one trial denoted by p. How we can obtain P (Y B)?
whats a difference between the z distribution and the t distribution?they have different meansthey have different
an investigation was carried out to study the relationship between speed ftsec and stride rate number of steps takensec
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