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1. Let (N(t))>o be a Poisson process with rate X, and let Y1,Y2, ... bei.i.d. random...
Let Y1 and Y2 be two independent discrete random variables such that: p1(y1) = 1/3; y1...
Let Y1 and Y2 be two independent discrete random variables such that: p1(y1) = 1/3; y1 = -2 ,- 1, 0 p2(y2) = 1/2; y2 = 1, 6 Let K = Y1 + Y2 a) FInd the moment Generating function of Y1, Y2, and K b) find the probability mass function of K
Let Y1, Y2, . .. , Yn be independent and identically distributed random variables such that...
Let Y1, Y2, . .. , Yn be independent and identically distributed random variables such that for 0 < p < 1, P(Yi = 1) = p and P(H = 0) = q = 1-p. (Such random variables are called Bernoulli random variables.) a Find the moment-generating function for the Bernoulli random variable Y b Find the moment-generating function for W = Yit Ye+ … + . c What is the distribution of W? 1.
Let N(t), t 2 0} be a Poisson process with rate X. Suppose that, for a...
Let N(t), t 2 0} be a Poisson process with rate X. Suppose that, for a fixed t > 0, N (t) Please show that, for 0 < u < t, the number of events that have occurred at or prior to u is binomial with parameters (n, u/t). That is, n. That is, we are given that n events have occurred by time t C) EY'C)" n-i u P(N(u) iN (t)= n) - for 0in
Let N(t), t 2...
Let Y1, Y2, . . . , Yn be independent random variables with Exponential distribution with...
Let Y1, Y2, . . . , Yn be independent random variables with Exponential distribution with mean β. Let Y(n) = max(Y1,Y2,...,Yn) and Y(1) = min(Y1,Y2,...,Yn). Find the probability P(Y(1) > y1,Y(n) < yn).
Let Y1, Y2, and Y3 be independent, N(0, 1)-distributed random variables, and set X1 = Y1...
Let Y1, Y2, and Y3 be independent, N(0, 1)-distributed random variables, and set X1 = Y1 − Y3, X2 = 2Y1 + Y2 − 2Y3, X3 = −2Y1 + 3Y3.Determine the conditional distribution of X2 given that X1 + X3 = x.
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e.,...
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e., X = -1 Xi, where Xi is Poisson distributed with mean 1. (a) Find the moment generating function of Xi. (b) Derive the moment generating function of X. (d) Hence, find the probability mass function of X.
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e.,...
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e., X = 11-1Xị, where Xi is Poisson distributed with mean li. (a) Find the moment generating function of Xį. (b) Derive the moment generating function of X. (d) Hence, find the probability mass function of X.
Let X, Y and Z be three independent Poisson random variable with parameters λι, λ2, and λ3, respectively. For y 0,1,2,t, calculate P(Y yX+Y+Z-t) (Hint: Determine first the probability distribution of...
Let X, Y and Z be three independent Poisson random variable with parameters λι, λ2, and λ3, respectively. For y 0,1,2,t, calculate P(Y yX+Y+Z-t) (Hint: Determine first the probability distribution of T -X +Y + Z using the moment generating function method. Moment generating function for Poisson random variable is given in earlier lecture notes)
Let X, Y and Z be three independent Poisson random variable with parameters λι, λ2, and λ3, respectively. For y 0,1,2,t, calculate P(Y yX+Y+Z-t) (Hint:...
Let Xi, x,, ,X, be independent random variables with mean and variance σ . Let Y1-Y2, , Y, be independent random variables with mhean μ and variance a) Compute the expected value of W b) For what val...
Let Xi, x,, ,X, be independent random variables with mean and variance σ . Let Y1-Y2, , Y, be independent random variables with mhean μ and variance a) Compute the expected value of W b) For what value of a is the variance of W a minimum? σ: Let W-aX + (1-a) Y, where 0 < a < 1.
Let Xi, x,, ,X, be independent random variables with mean and variance σ . Let Y1-Y2, , Y, be independent random...
Please prove the following theorem: Let Yı, Y2, ... ,Yn be independent normally distributed random variables...
Please prove the following theorem: Let Yı, Y2, ... ,Yn be independent normally distributed random variables with E(Y;) = Hi and V(Y) = 0;, for i = 1, 2,..., n, and let 21, 22, ...,an be constants. If maiYi = ajY1 + a2Y2 + ...anYn i=1 then U is a normally distributed random variable with E(U) = Žar, and v(u) = 4:07. i= 1 (Hint: the moment generating function of Y ~ N(u,02) is 02t2 m(t) = E(etY) = exp...
Let Y1, Y2, . .. , Yn be independent and identically distributed random variables such that for 0 < p < 1, P(Yi = 1) = p and P(H = 0) = q = 1-p. (Such random variables are called Bernoulli random variables.) a Find the moment-generating function for the Bernoulli random variable Y b Find the moment-generating function for W = Yit Ye+ … + . c What is the distribution of W? 1.
Let N(t), t 2 0} be a Poisson process with rate X. Suppose that, for a fixed t > 0, N (t) Please show that, for 0 < u < t, the number of events that have occurred at or prior to u is binomial with parameters (n, u/t). That is, n. That is, we are given that n events have occurred by time t C) EY'C)" n-i u P(N(u) iN (t)= n) - for 0in
Let N(t), t 2...
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e., X = -1 Xi, where Xi is Poisson distributed with mean 1. (a) Find the moment generating function of Xi. (b) Derive the moment generating function of X. (d) Hence, find the probability mass function of X.
8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e., X = 11-1Xị, where Xi is Poisson distributed with mean li. (a) Find the moment generating function of Xį. (b) Derive the moment generating function of X. (d) Hence, find the probability mass function of X.
Let X, Y and Z be three independent Poisson random variable with parameters λι, λ2, and λ3, respectively. For y 0,1,2,t, calculate P(Y yX+Y+Z-t) (Hint: Determine first the probability distribution of T -X +Y + Z using the moment generating function method. Moment generating function for Poisson random variable is given in earlier lecture notes)
Let X, Y and Z be three independent Poisson random variable with parameters λι, λ2, and λ3, respectively. For y 0,1,2,t, calculate P(Y yX+Y+Z-t) (Hint:...
Let Xi, x,, ,X, be independent random variables with mean and variance σ . Let Y1-Y2, , Y, be independent random variables with mhean μ and variance a) Compute the expected value of W b) For what value of a is the variance of W a minimum? σ: Let W-aX + (1-a) Y, where 0 < a < 1.
Let Xi, x,, ,X, be independent random variables with mean and variance σ . Let Y1-Y2, , Y, be independent random...
Please prove the following theorem: Let Yı, Y2, ... ,Yn be independent normally distributed random variables with E(Y;) = Hi and V(Y) = 0;, for i = 1, 2,..., n, and let 21, 22, ...,an be constants. If maiYi = ajY1 + a2Y2 + ...anYn i=1 then U is a normally distributed random variable with E(U) = Žar, and v(u) = 4:07. i= 1 (Hint: the moment generating function of Y ~ N(u,02) is 02t2 m(t) = E(etY) = exp...
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