2. Suppose (X, Y) is picked randomly and uniformly with respect to area from the elliptical...
A point (X,Y) is chosen randomly and uniformly in the triangle
area
1)Find the density function of X
2)Find
3)How is Y|X=x distributed?
(0,0) (2,0) P(Y s 0.5X0.5)
Suppose the two-dimensional random variable (X, Y ) is uniformly distributed over the triangle of the figure.a) What is f.d.p.c. of (X,Y). Calculate P(0 < X ≤ 1, Y > 1). Make a graphic sketch of the regionthat you used to calculate the probability. b) Determine the marginal distributions. (X, Y ) are independent?c) Find E[X] ,V AR[X], E[Y ] e V AR[Y ];d) Determine the conditional distributions. Use the conditionals to answer : (X, Y ) areindependent?e) Calculate E[XY ],...
. Eraluate the integral: x) dzdedy, where B is the cylinder over the rectangular region R- {, y) ER1 1,-2 S y s2) of the xy-plane, bounded below by the surface Zi = sinx cos y and above by the sur- of eliptical paraboloid 2 -2- ace of elliptical paraboloid 2)
. Eraluate the integral: x) dzdedy, where B is the cylinder over the rectangular region R- {, y) ER1 1,-2 S y s2) of the xy-plane, bounded below by...
10. (a) Find the surface area of the portion of the graph of f(x, y)-yx which is above the region in the xy- plane bounded by y x,y 0 and x.(b) Let f(x)-2 (n+3)2 _____ for each x for which the series o 5" converges. Write a power series in summation notation for an indefinite integral of f.
10. (a) Find the surface area of the portion of the graph of f(x, y)-yx which is above the region in the...
Find the area of the region in the XY-plane enclosed by y = 3−x and x = 3y−y . In doing so, sketch the region (hint: remember that the graph of a quadratic is a parabola), and be sure to show all your work.
xy=1 and y 2x V -X -Region S is bounded by the lines xy 2. Draw the region and indicate all the vertices. and the hyperbolas 2 and B) Transfer region S from x-y to u-v plane and indicate all the vertices on the new plane acx. y au,v) =1 C) Show that the area corrections are related by (u,v) x, y) D) Find the centroid of region S
xy=1 and y 2x V -X -Region S is bounded by...
5] (2) GIVEN: a> 0,0# {(x, y, z) z a"-x'-y") W is the solid region of R' that is below 2 and above the xy- plane. W has constant density,8 and the mass of W is M, m(W) M FIND: The moment of inertia, I, of W with respect to the z- axis, express 2 I in terms of M and a without 8
+vT+:-1 is an elliptical paraboloid with vertex (0,0,1) opening downward. R = { (x,y) 1-1 a) Set up a double itera 1. 2} is a rectangle in the xy-plane. l and-2 y égral that represents the volume under the paraboloid and ahne R
+vT+:-1 is an elliptical paraboloid with vertex (0,0,1) opening downward. R = { (x,y) 1-1 a) Set up a double itera 1. 2} is a rectangle in the xy-plane. l and-2 y égral that represents the volume...
2. Evaluate the following indefinite integrals: (a) vel V=(x+2) dx ET (b) 3. Evaluate the following definite integrals: (a) cos(x) da (sin(x) +18 (b) COS 4. The graph of y=g(t) is shown below, and consists of semicircles and line segments. y=g() -1 3 6 596 s(t) dt Define the function f(x) by f(x)= Use the graph of y = g(t) and the properties of the definite integral to find: (a) the value of (i) f(3) (ii) f(-1) (iii) 1'(6) (b)...
is selected randomly from a X. Now select an integer Y uniformly at random from f1,... ,X). Find: (a) E(Y) (b) E(Y2); (c) Var(Y); (d) P(X Y 3)