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Question 1:) Objective: Calculation the Power of Random Process (10 Marks) If f(x) = (rect(x/2a)]/(a2-x2)2 Is...
Question 1(a&b) Question 3 (a,b,c,d) QUESTION 1 (15 MARKS) Let X and Y be continuous random variables with joint probability density function 6e.de +3,, х, у z 0 otherwise f(x, y 0 Det...
Question 1(a&b)
Question 3 (a,b,c,d)
QUESTION 1 (15 MARKS) Let X and Y be continuous random variables with joint probability density function 6e.de +3,, х, у z 0 otherwise f(x, y 0 Determine whether or not X and Y are independent. (9 marks) a) b) Find P(x> Y). Show how you get the limits for X and Y (6 marks) QUESTION 3 (19 MARKS) Let f(x, x.) = 2x, , o x, sk: O a) Find k xsl and f(x,...
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1...
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an ε - 8 proof.
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find...
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с
6. The joint density of the random variables X and Y is given as F. (...
6. The joint density of the random variables X and Y is given as F. ( 1 <rsy <3 otherwise i) Find e such that is a valid density function.(8 pts) ii) Set up the calculation for P(X 2.Y > 2). You do not need to compute this value. (5 pts) iii) Find the marginal distribution of X and the marginal distribution of Y. (14 pts) iv) Find E(X) and E(Y)(10 pts) Find ox and of (18 pts) vi) Find...
f(x,y)=0 2. (20 marks) Suppose X and Y are jointly continuous random variables with probability density...
f(x,y)=0 2. (20 marks) Suppose X and Y are jointly continuous random variables with probability density function fc, 0<x<1, 0<y<1, x + y>1 else a) (2.5 marks) Find the constant, c, so that this is valid joint density function. b) (5 marks) Find P(Y > 2X). c) (5 marks) Find P(X>0.5 Y = 0.75). d) (5 marks) Find P(X>0.5 Y <0.75). e) (2.5 marks) Are X and Y independent? Justify your answer citing an appropriate theorem.
1. [10 marks) Let X, and X, have joint density function f(0,0%) = cca 110, x2...
1. [10 marks) Let X, and X, have joint density function f(0,0%) = cca 110, x2 > 0,8 +29 < 1, where c is a constant. Find: (a) (2 marksThe value of c. (b) (2 marks] E(XX). (c) (2 marks] P(X1 < 3X2). (a) (2 marks] (2016). (e) (2 marks] E(X1/X3 = 5).
7. Let X be a random variable with density f(x) = 2/32 for 1<x<2, f(x) =...
7. Let X be a random variable with density f(x) = 2/32 for 1<x<2, f(x) = 0 otherwise. Find the density of x2
5. (10 pts )The random variables X and Y have joint density function 1 f(x,y) x2...
5. (10 pts )The random variables X and Y have joint density function 1 f(x,y) x2 + y2 <1. 3 7T Compute the joint density function of R= x2 + y2 and = tan-'(Y/X).
EXERCISE (x2+1), where . < 1) A random variable X has the density function f(x)= a)...
EXERCISE (x2+1), where . < 1) A random variable X has the density function f(x)= a) Find the value of the constant C b) Find the probability that X lies between 1/3 and 1
. The joint density of the random variables X and Y is given as c f(x,y)...
. The joint density of the random variables X and Y is given as c f(x,y) = 1 < x <y <3 otherwise 10, i) Find c such that f(x,y) is a valid density function. ii) Set up the calculation for P(X<2, Y> 2). You do not need to compute this value. iii) Find the marginal distribution of X and the marginal distribution of Y.
Question 1(a&b)
Question 3 (a,b,c,d)
QUESTION 1 (15 MARKS) Let X and Y be continuous random variables with joint probability density function 6e.de +3,, х, у z 0 otherwise f(x, y 0 Determine whether or not X and Y are independent. (9 marks) a) b) Find P(x> Y). Show how you get the limits for X and Y (6 marks) QUESTION 3 (19 MARKS) Let f(x, x.) = 2x, , o x, sk: O a) Find k xsl and f(x,...
(x2-3x+2 1. (10 marks) Let f(x) if x # +1 (x2-1) с if x = 1 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an ε - 8 proof.
x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с x-x-2 if x # +2 1. (10 marks) Let f(x) = (x2-4) if x= 2 Find c that would make f continuous at 1. For such c, prove that f is continuous at 1 using an e-8 proof. -- с
6. The joint density of the random variables X and Y is given as F. ( 1 <rsy <3 otherwise i) Find e such that is a valid density function.(8 pts) ii) Set up the calculation for P(X 2.Y > 2). You do not need to compute this value. (5 pts) iii) Find the marginal distribution of X and the marginal distribution of Y. (14 pts) iv) Find E(X) and E(Y)(10 pts) Find ox and of (18 pts) vi) Find...
f(x,y)=0 2. (20 marks) Suppose X and Y are jointly continuous random variables with probability density function fc, 0<x<1, 0<y<1, x + y>1 else a) (2.5 marks) Find the constant, c, so that this is valid joint density function. b) (5 marks) Find P(Y > 2X). c) (5 marks) Find P(X>0.5 Y = 0.75). d) (5 marks) Find P(X>0.5 Y <0.75). e) (2.5 marks) Are X and Y independent? Justify your answer citing an appropriate theorem.
1. [10 marks) Let X, and X, have joint density function f(0,0%) = cca 110, x2 > 0,8 +29 < 1, where c is a constant. Find: (a) (2 marksThe value of c. (b) (2 marks] E(XX). (c) (2 marks] P(X1 < 3X2). (a) (2 marks] (2016). (e) (2 marks] E(X1/X3 = 5).
7. Let X be a random variable with density f(x) = 2/32 for 1<x<2, f(x) = 0 otherwise. Find the density of x2
5. (10 pts )The random variables X and Y have joint density function 1 f(x,y) x2 + y2 <1. 3 7T Compute the joint density function of R= x2 + y2 and = tan-'(Y/X).
EXERCISE (x2+1), where . < 1) A random variable X has the density function f(x)= a) Find the value of the constant C b) Find the probability that X lies between 1/3 and 1
. The joint density of the random variables X and Y is given as c f(x,y) = 1 < x <y <3 otherwise 10, i) Find c such that f(x,y) is a valid density function. ii) Set up the calculation for P(X<2, Y> 2). You do not need to compute this value. iii) Find the marginal distribution of X and the marginal distribution of Y.
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