I just need #9 a-d (c) Find Σ 2" 9. Usethefact that fg +x2)-1dr = tan...
I just need 23, I have 21 and 22, but since it is a parts question this is context. Thank you! Question 21 1 pts Recall the power series expansion 1 = 1 - x + x2 – 23 + ... on the interval (-1, 1). Use the given expansion to derive a power series expansion for 1772 Show at least 3 non-zero terms. • 1-x2 + x4 - x +... 0 - 1 + x2-x4 + x + ......
I need help on part b, c, d, and f. Suppose X follows a N3( μ, Σ ) distribution with 784 504-200 mean vector μ= | 130 | and covariance matrix 175 200 0 1600 a Find P(X, > 139). b Find p 12 Cor(X1. X2) c) Find P(X2> 139 |X1-103) "Hint": (Xi.X2) jointly follow a bivariate normal distribution d) Find P(X2< X e) Find P(X2<X3) Find P(X2〈 145〈X3) "Hint": P(X2〈145 & 145 〈 X 3) g)find P(X1 + 2X2+3X3>...
11. Let Z = (X1,X2, X3)T be a portfolio of three assets. E(X) 0.50. E(X2-1.5. E(X3) = 2.5, VAR(X)-2, VAR(X2)-3, Var(Xs)-5·PX1.x2-0.6 and X1 and X2 are idependent of X3 (a) Find E(0.3xi +0.3X2 +0.4X3) and Var(0.3X1 +0.3X2 +0.4Xs) (b) Find P[0.3X1 +0.3x2 + 0.4X3 <2). Since z-table isn't provided, just write down the (c) Find the covariance between a portfolio that allocates 1/3 to each of the three assets and a portfolio that allocates 1/2 to each of the first...
13. Find the sum of each series. a. En=1(tan-In- tan-(n + 1)) 6. Σ=1 nn+2) 14. Determine whether each series converges absolutely, converges conditionally, or diverges. Be sure to show your reasoning and state any test(s) used. b. Σ=1; Page 18 of 18 C. Σ. 2(tan-n)" δ. Σο1 242 Σα (-1)+1η
i need help with c, d, and e 3. Use the following steps to sketch the graph of each of the following functions. Step 1: Find the domain. Step 2: Find the y-intercept and all x-intercepts. Step 3: Decide if the function has any symmetry: odd, even, periodic. Step 4: Find any horizontal or vertical asymptotes. Justify using limits. Step 5: Find the critical numbers and determine intervals of increase/decrease. Step 6: Identify all local extrema. State as ordered pairs....
I just need help if its A through D . . 4. Incorrect Question 2 0/1 pts What is the 100th term of the power series 2n=0 (-1)"x2n+1 (2n + 1)! 199 -X 199! 201 -X 201! x200 200! x201 201! 199 Х 199! Incorrect. Incorrect Question 3 0/1 pts For a given power series Enzoan = 2n=0Cplx + 4)", if the ratio test lim an+ 1 an X + 4 2 , and the En=0Cn(x + 4)" is convergent...
9 Let Xi, X2, ..., Xn be an independent trials process with normal density of mean 1 and variance 2. Find the moment generating function for (a) X (b) S2 =X1 + X2 . (c) Sn=X1+X2 + . . . + Xn. (d) An -Sn/n 9 Let Xi, X2, ..., Xn be an independent trials process with normal density of mean 1 and variance 2. Find the moment generating function for (a) X (b) S2 =X1 + X2 . (c)...
2 0 -1 EIX) = μ = | 0 | and var(X) Σ _ | 0 -1 0.5 3 0.5 | compute: (a) E[Xi +Xs] (c) var(X2- X3) d var(X2 + X) (e) cov(4X2 +X1,3Xi -2X)
2 0 -1 EIX) = μ = | 0 | and var(X) Σ _ | 0 -1 0.5 3 0.5 | compute: (a) E[Xi +Xs] (c) var(X2- X3) d var(X2 + X) (e) cov(4X2 +X1,3Xi -2X)
(a) Starting with the geometric series X?, find the sum of the series η ΕΟ Σ ηχο – 1, 1x] <1. ΠΕ 1 (b) Find the sum of each of the following series. DO Σηχή, 1x <1 η = 1 η (i) Σ. (c) Find the sum of each of the following series. D) Σπίη – 1)x, Ix <1 ΠΕ 2 (i) Σ - η 57 ΠΕ 2 0 i) 22 = 1