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Suppose X and Y are continuous random variables with joint pdf given by f(x, y) = 24xy if 0 < x, 0 < y, x + y < 1, and zero otherwise.
(a) Are X and Y independent? Why or why not?
(b) Find P[Y > 2X].
(c) Find the marginal pdf of X.
Dependent t test
What is the standard error of this difference between the two means?
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the deci..
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One way to find probabilities from a Standard Normal Distribution is to use probability tables, which are located inside the front cover of your textbook.According to the table, what is the probability when z ≤ -1.75? The probability when z ≤ 1.75?
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Give three advantages of sampling over a census
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