I'm having some trouble with these. Can I have some help please.
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I'm having some trouble with these. Can I have some help
please.
(1 point) Suppose the...
4. Suppose X and Y have the joint pdf f(x,y) = 6x, 0 < x <...
4. Suppose X and Y have the joint pdf f(x,y) = 6x, 0 < x < y < 1, and zero otherwise. (a) Find fx(x). (b) Find fy(y). (c) Find Corr(X,Y). (d) Find fy x(y|x). (e) Find E(Y|X). (f) Find Var(Y). (g) Find Var(E(Y|X)). (h) Find E (Var(Y|X)]. (i) Find the pdf of Y - X.
Suppose X is a continuous random variable having pdf (1+x, -1 < x < 0, f(x)...
Suppose X is a continuous random variable having pdf (1+x, -1 < x < 0, f(x) = { 1 – x, 0 < x <1, lo, otherwise (a) Find E(X2). (b) Find Var(X2).
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10,...
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10, otherwise Observe X independently for three times, let y denote the number of an event {X<0.5) occurring in three times. (1) What is the probability of the event {X<0.5}? (2) What is the probability distribution of Y ? Write out its probability mass function
1. Suppose X and Y are continuous random variables with joint pdf f(x,y) 4(z-xy) if =...
1. Suppose X and Y are continuous random variables with joint pdf f(x,y) 4(z-xy) if = 0 < x < 1 and 0 < y < 1, and zero otherwise. (a) Find E(XY) b) Find E(X-Y) (c) Find Var(X - Y) (d) What is E(Y)?
Need help on number 3. Please use method of transformation. Explain if possible. (2)Suppose that X...
Need help on number 3. Please use method of
transformation. Explain if possible.
(2)Suppose that X and X2 have joint pdf f(x1, x2) = 2 ,0<x1<x2 < 1, and zero otherwise. Compute the pdf of the random variable Y = (3)Let X-Exp(1) and Y-Exp(1). X and Y are independent. a. Find the pdf of A=(X+Y) and B=(x-7). b. Are A and B independent? C. Find the marginal of A and B
Hi. I'm having trouble with this question in my Topology class. Can I get some help on this?? Tha...
Hi. I'm having trouble with this question in my Topology
class.
Can I get some help on this?? Thank you.
(3) Define a function d: R 2 x R2 → R by d(x, y) = max(ki-yil. 12.2-U21) for any two points x-(xi,T2), y-(yi,y2) є R2. Then d is a metric for R2. Prove that {(r,y) є R2lr+y > 0} is an open subset of the metric space (R2, d) and that {(x, y) є R2 1 x + y >...
F(0) (P-1) isqsto Let's assume that some random variable has a cumulative distribution 09<1 5(x-1) 1sq310...
F(0) (P-1) isqsto Let's assume that some random variable has a cumulative distribution 09<1 5(x-1) 1sq310 q>10 a. What is the pdf for Q? (10 points) b. What is the probability that is less than or equal to 2? c. What is the probability that is greater than or equal to 1.5? d. What is the probability that is between 1.5 and 2? e. What is the probability that Q is less than 2, given Q is less than 1.5?
- Question 1 1 point The following function is a pdf: 2 - x) 0 <3...
- Question 1 1 point The following function is a pdf: 2 - x) 0 <3 < 2 f (x) = { 10" 1 0 otherwise True False - Question 2 1 point Number Help A card is drawn from a standard deck of 52 cards. What is the probability that the card belongs to the set {4,5..., 8}? decimal accuracy please.) -ZC Number
4B-03] Suppose that we are given the random variable X with pdf f(x) = 1-x/2 for...
4B-03] Suppose that we are given the random variable X with pdf f(x) = 1-x/2 for 0<x<2, and 0 otherwise. Obtain P(X1). (Round to 2 decimals) Your Answer: Answer
2. Suppose X is a continuous random variable with the probability density function (i.e., pdf) given...
2. Suppose X is a continuous random variable with the probability density function (i.e., pdf) given by f(x) - 3x2; 0< x < 1, - 0; otherwise Find the cumulative distribution function (i.e., cdf) of Y = X3 first and then use it to find the pdf of Y, E(Y) and V(Y)
4. Suppose X and Y have the joint pdf f(x,y) = 6x, 0 < x < y < 1, and zero otherwise. (a) Find fx(x). (b) Find fy(y). (c) Find Corr(X,Y). (d) Find fy x(y|x). (e) Find E(Y|X). (f) Find Var(Y). (g) Find Var(E(Y|X)). (h) Find E (Var(Y|X)]. (i) Find the pdf of Y - X.
Suppose X is a continuous random variable having pdf (1+x, -1 < x < 0, f(x) = { 1 – x, 0 < x <1, lo, otherwise (a) Find E(X2). (b) Find Var(X2).
2. Suppose a r.v. X has the density function 2 x, for 0<x<1 f(x) = 10, otherwise Observe X independently for three times, let y denote the number of an event {X<0.5) occurring in three times. (1) What is the probability of the event {X<0.5}? (2) What is the probability distribution of Y ? Write out its probability mass function
1. Suppose X and Y are continuous random variables with joint pdf f(x,y) 4(z-xy) if = 0 < x < 1 and 0 < y < 1, and zero otherwise. (a) Find E(XY) b) Find E(X-Y) (c) Find Var(X - Y) (d) What is E(Y)?
Need help on number 3. Please use method of
transformation. Explain if possible.
(2)Suppose that X and X2 have joint pdf f(x1, x2) = 2 ,0<x1<x2 < 1, and zero otherwise. Compute the pdf of the random variable Y = (3)Let X-Exp(1) and Y-Exp(1). X and Y are independent. a. Find the pdf of A=(X+Y) and B=(x-7). b. Are A and B independent? C. Find the marginal of A and B
Hi. I'm having trouble with this question in my Topology
class.
Can I get some help on this?? Thank you.
(3) Define a function d: R 2 x R2 → R by d(x, y) = max(ki-yil. 12.2-U21) for any two points x-(xi,T2), y-(yi,y2) є R2. Then d is a metric for R2. Prove that {(r,y) є R2lr+y > 0} is an open subset of the metric space (R2, d) and that {(x, y) є R2 1 x + y >...
F(0) (P-1) isqsto Let's assume that some random variable has a cumulative distribution 09<1 5(x-1) 1sq310 q>10 a. What is the pdf for Q? (10 points) b. What is the probability that is less than or equal to 2? c. What is the probability that is greater than or equal to 1.5? d. What is the probability that is between 1.5 and 2? e. What is the probability that Q is less than 2, given Q is less than 1.5?
- Question 1 1 point The following function is a pdf: 2 - x) 0 <3 < 2 f (x) = { 10" 1 0 otherwise True False - Question 2 1 point Number Help A card is drawn from a standard deck of 52 cards. What is the probability that the card belongs to the set {4,5..., 8}? decimal accuracy please.) -ZC Number
4B-03] Suppose that we are given the random variable X with pdf f(x) = 1-x/2 for 0<x<2, and 0 otherwise. Obtain P(X1). (Round to 2 decimals) Your Answer: Answer
2. Suppose X is a continuous random variable with the probability density function (i.e., pdf) given by f(x) - 3x2; 0< x < 1, - 0; otherwise Find the cumulative distribution function (i.e., cdf) of Y = X3 first and then use it to find the pdf of Y, E(Y) and V(Y)
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