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1. f(x) c (2xA2xA3sin(x)) and -1<x<1 a. find c b. find E(x) 2. I define El-log(p(x)...
I need help on parts e-f 4. Suppose that P{X = i, Y = j} =...
I need help on parts e-f
4. Suppose that P{X = i, Y = j} = c(i+j) for nonnegative integers i and j with i+j < 3; otherwise, the probability is zero. (a) Determine c. (b) Compute the marginal p.m.f. of X. (c) Compute the marginal p.m.f. of Y. (d) Are X and Y be independent? (e) Compute P(X+Y < 2). (f) Compute E[XY). (g) Compute E[X] and E[Y). (h) Compute E[X+Y).
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y. tion? (2) Calculate E(X...
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
Given f(x) = 2 log(x) – 2, find f-1(-8). b) 27 c) 27 d) -3 e)...
Given f(x) = 2 log(x) – 2, find f-1(-8). b) 27 c) 27 d) -3 e) 3 f) None of the above.
Given f(x) k(1 + x2) 2. -1 < x< 2 a) Find k. b) Calculate F(x)...
Given f(x) k(1 + x2) 2. -1 < x< 2 a) Find k. b) Calculate F(x) and the three quartiles. c) Calculate E(X), Var(X)
2) Suppose that X has density function f(a)- 0, elsewhere Find P(X < .3|X .7).
2) Suppose that X has density function f(a)- 0, elsewhere Find P(X < .3|X .7).
. A random variable X with P(X> 0) 1 has density function f(x) cx299e3. Find: with...
. A random variable X with P(X> 0) 1 has density function f(x) cx299e3. Find: with P(X >0) 1 has density function f (x)cx2s e ) E(X) ) Var(x)
4. For this question, define f(x) = (x - 1)e-(0-1). (a) Find f'(x) and f"(x). (b)...
4. For this question, define f(x) = (x - 1)e-(0-1). (a) Find f'(x) and f"(x). (b) Find where S is increasing and where / is decreasing (e) Find where S is concave up and where / is concave down. (a) Find all critical points of . For each point you find, explain whether it is a (relative) maximum, a (relative) minimum or neither. (e) Find all points of inflection of f. For each point you find, explain why it is...
1. The density function of b is given by kx(1 - x) f(x) = { for...
1. The density function of b is given by kx(1 - x) f(x) = { for 0 < x 51, elsewhere. (a) Find k and graph the density function. (b) Find P(1/4 < ſ < 1/2). (c) Find P(-1/2 sã < 1/4). (d) Find the CDF and graph it. (e) Find E( ), E(52), and V(5). 1. The density function of ğ is given by |kx(1 – x) o for 0 < x 51, elsewhere. f(x (a) Find k and...
A)Find the inverse of the function f(x)=3+{2x-1 B) SOLVE log(x+2)+log 3 (x-2)=2 5. 6. vords e...
A)Find the inverse of the function f(x)=3+{2x-1 B) SOLVE log(x+2)+log 3 (x-2)=2 5. 6. vords e here to search ORI
Suppose (X,Y) follows a trinomial distribution (5, 1/3, 1/4). a. Find E(X) b. Find E(Y) c....
Suppose (X,Y) follows a trinomial distribution (5, 1/3, 1/4). a. Find E(X) b. Find E(Y) c. Find Var(X) d. Find Var(Y) e. Find Cov (X,Y) f. Find p (correlation coefficient)
I need help on parts e-f
4. Suppose that P{X = i, Y = j} = c(i+j) for nonnegative integers i and j with i+j < 3; otherwise, the probability is zero. (a) Determine c. (b) Compute the marginal p.m.f. of X. (c) Compute the marginal p.m.f. of Y. (d) Are X and Y be independent? (e) Compute P(X+Y < 2). (f) Compute E[XY). (g) Compute E[X] and E[Y). (h) Compute E[X+Y).
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
Given f(x) = 2 log(x) – 2, find f-1(-8). b) 27 c) 27 d) -3 e) 3 f) None of the above.
Given f(x) k(1 + x2) 2. -1 < x< 2 a) Find k. b) Calculate F(x) and the three quartiles. c) Calculate E(X), Var(X)
2) Suppose that X has density function f(a)- 0, elsewhere Find P(X < .3|X .7).
. A random variable X with P(X> 0) 1 has density function f(x) cx299e3. Find: with P(X >0) 1 has density function f (x)cx2s e ) E(X) ) Var(x)
4. For this question, define f(x) = (x - 1)e-(0-1). (a) Find f'(x) and f"(x). (b) Find where S is increasing and where / is decreasing (e) Find where S is concave up and where / is concave down. (a) Find all critical points of . For each point you find, explain whether it is a (relative) maximum, a (relative) minimum or neither. (e) Find all points of inflection of f. For each point you find, explain why it is...
1. The density function of b is given by kx(1 - x) f(x) = { for 0 < x 51, elsewhere. (a) Find k and graph the density function. (b) Find P(1/4 < ſ < 1/2). (c) Find P(-1/2 sã < 1/4). (d) Find the CDF and graph it. (e) Find E( ), E(52), and V(5). 1. The density function of ğ is given by |kx(1 – x) o for 0 < x 51, elsewhere. f(x (a) Find k and...
A)Find the inverse of the function f(x)=3+{2x-1 B) SOLVE log(x+2)+log 3 (x-2)=2 5. 6. vords e here to search ORI
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