-8-9*--*-*-30 ---- X+pX+<!-zx-x+1.00 ... - 8X + gx - x + x 1 Ос. + **yt...
Define *() = -5 + 8x - 6x + 2x on 1 <=52 and 8(1) = 27 - 40z +18r? - 22 on 2 <=3 Verify that s(2) is a cubic spline function on 1,3]. Is it a natural spline function on this interval?
8. A probability density function (PDF) is given by: f(x)-k(8x-x2) for 0cx<8 What value of 'k' will make this a PDF? 9. A probability density function (PDF) is given by: f(x)-e.( 4) for x>a What value of a will make this a PDF? 10. A probability density function (PDF) is given by: f(x)-1.5x2 for -acx<a What value of a will make this a PDF?
2. Let Px(x) = 1, X = 1,2,3, 4, 5, zero elsewhere, be the pmf of X. Find P(X = 1 or 2), P(3 < X < ), and P(1 < X < 2).
Graph the function f ro -2<x<0 f(x) = +1 O 5x<1 1 1 sx<2 Find the Fourier series of fon the given interval. Give the number to which the Fourier series converges
9.) Suppose that X is a continuous random variable with density C(1- if [0,1] px(x) ¡f x < 0 or x > 1. (a) Find C so that px is a probability density function. (b) Find the cumulative distribution of X (c) Calculate the probability that X є (0.1,0.9). (d) Calculate the mean and the variance of X
Let F =< eycos(x) + 5y + 1, eysi x) + 8x > be a vector field in R2. Use Green's Theorem to evaluate F. dr where C is the curve oriented counter-clockwise and composed of the arc of the curve y=x2 – 4 starting at (-1, -3) and ending at (1, -3). and followed by the line segment going from (1, -3) to (-1, -3)
For the indicated function, find the values f(-9), f(0), and f(4). x, if x < 0 f(x)= 8x + 6, if x 20 f(- 9) = f(0) = f(4) = State whether f(x) has a maximum value or a minimum value, and find that value. f(x) = 2x² - 4x - 6 The function has a value of Graph the case-defined function and give the domain and range x+2 xs2 f(x)= Choose the correct graph of the function below. OA...
Suppose that X is a continuous random variable with density
pX(x) = ( Cx(1 − x) if x ∈ [0, 1] 0 if x < 0 or x > 1.
(a) Find C so that pX is a probability density function.
(b) Find the cumulative distribution of X.
(c) Calculate the probability that X ∈ (0.1, 0.9).
(d) Calculate the mean and the variance of X.
9.) Suppose that X is a continuous random variable with density C(1x) if E...
decimal. I variable. Find P(X<0). Express your answer as a 0.5 Question 2 1 pts Let X be a standard normal random variable. Find PIX <-2.27). Express your answer as a decimal. Question 3 1 pts Let X be a standard normal random variable. Find PX 2.82), Express your answer as a
(1 point) If X is a random variable with moment generating function ui) = (1-1)-9, t < I/7 then E(X) = and Var(X) =