C if 01.2-01 is a joint probability mass function(discrete ). a. What is ? Find the...
2. Given k(2x + 3y) if a_ 0.1.2: у-0, 1. plx,y) - is a joint probability mass function(discrete case). a. What is k? b. Find the momen generating function Mx(t) c. Find the conditional probabilities P(Y X), P(Y 0X 1), P(X 1Y 0
2. Given k(2x + 3y) if a_ 0.1.2: у-0, 1. plx,y) - is a joint probability mass function(discrete case). a. What is k? b. Find the momen generating function Mx(t) c. Find the conditional probabilities P(Y X),...
The joint probability mass function (p.m.f.) of the discrete random variables X and Y is given by 11/4 1/2 20 1/4 (a) Are X and Y independent? (b) Compute P(XY 1) and P(2X Y >1) (c) Find P(y > 1 | X = 1) (d) Compute the conditional p.m. f. of X given Y = 1
Exercise 10.1. The joint probability mass function of the random variables (X, Y) is given by the following table: 0 12 01 21 醋慹!) 죄 9 (a) Find the conditional probability mass function of X given Y -y. (b) Find the conditional expectation Elxy-y] for each of y = 0, 1, 2.
1. Suppose X and Y are discrete random variables with joint probability mass function fxy defined by the following table: 3 y fxy(x, y) 01 3/20 02 10 7/80 3/80 1/5 1/16 3/20 3/16 1/8 2 3 2 3 a Find the marginal probability mass function for X. b Find the marginal probability mass function for Y. c Find E(X), EY],V (X), and V (Y). d Find the covariance between X and Y. e Find the correlation between X and...
Find the probability generating function of a discrete random variable with probability mass function given by pX(k) = qk−1p, k = 1,2,..., where p and q are probabilities such that p + q = 1. We shall see later that this is called the geometric distribution function.
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2. Let X and Y be discrete random variables with joint probability mass function X=1 X=5 Y=1 5a За Y=5 4a 8а a. What is the value of a? b. What is the joint probability distribution function (PDF) of X and Y? c. What is the marginal probability mass function of X? d. What is the expectation of X? e. What is the conditional probability mass function of X given Y = 1? f. Are X...
Consider the discrete random variables X and Y with the
following joint probability
mass function:
Given that X is not negative, what is the probability that Y is
also not negative?
A. 0.5 B. 0.8 C. 0.4 D. 0.25 E. none of the preceding
T -1 0 0 Y 0 -1 1 0 1 -1 fxy(x,y) 1/8 1/4 1/4 1/8 1/8 1/8 1 다.
The
joint probability mass function of two discrete random variables A
and B is
(i) Are A and B
are uncorrelated? (ii) Are A and B independent?
Sca²b, a=-2,2 and b = 1,2 PA,(a,b) = 0, otherwise
Question 4: Let X and Y be two discrete random variables with the following joint probability distribution (mass) function Pxy(x, y): a) Complete the following probability table: Y 2 f(x)=P(X=x) 1 3 4 0 0 0.08 0.06 0.05 0.02 0.07 0.08 0.06 0.12 0.05 0.03 0.06 0.05 0.04 0.03 0.01 0.02 0.03 0.04 2 3 foy)=P(Y=y) 0.03 b) What is P(X s 2 and YS 3)? c) Find the marginal probability distribution (mass) function of X; [f(x)]. d) Find the...
Please show how did you came up with the answer, show formulas
and work. Also, please do Parts e to i. Thank you so much
1. Consider the following probability mass function for the discrete joint probability distribution for random variables X and Y where the possible values for X are 0, 1, 2, and 3; and the possible values for Y are 0, 1, 2, 3, and 4. p(x,y) <0 3 0 4 0.01 0 0 0.10 0.05 0.15...