Mathematics, 27.11.2019 01:31, syrai7404
Suppose random variables x and y are independent, and the moment generating function (mgf) of x is m_x = (4/5 e^t + 1/5)^9 and the mgf of y is m_y(t) = exp(3e^t - 3). a) use the mgt derivative approach to find the expectation and variance of x and of y. b) for each of the two variables x and y, based on the form of the respective mgt, determine the marginal distribution of the variable (the name with the value(s) of parameter( and without taking any derivatives find the expectation and variance of the variable. provide details. c) find p(2x + y = 4). d) find p(xy = 0). e) find e(xy).
Answers: 3
Mathematics, 21.06.2019 18:30, lealiastentz532542
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
Answers: 1
Mathematics, 21.06.2019 20:30, richchillnqueenz1ma
Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9
Answers: 1
Suppose random variables x and y are independent, and the moment generating function (mgf) of x is m...
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