Let X be a discrete random variable. If the moment generating function of X is given...
Let X be a discrete random variable. If the moment generating function of X is given by (1 -0.9+0.9e) 15. The first moment of X is Hint: Write the answer with one decimal point. Answer.
If the discrete random variable X has a moment generating function given by My(t) = (e'-1) Find E(X + 2x2) and Var(2X + 40).
(3 marks) The moment generating function of a random variable X is given by MX(t) = 24 20 < - In 0.6. Find the mean and standard deviation of X using its moment generating function.
The moment generating function ф(t) of random variable X is defined for all values of t by et*p(x), if X is discrete e f (x)dx, if X is continus (a) Find the moment generating function of a Binomial random variable X with parameters n (the total number of trials) and p (the probability of success). (b) If X and Y are independent Binomial random variables with parameters (n1 p) and (n2, p), respectively, then what is the distribution of X...
5) Let X be a random variable with density Find the moment generating function. State the values of t for which the moment generating function exists.
This Question: 1 pt 2 of 7 (0 complete) The Moment generating function for a discrete random variable is given by :Find the Variance d form Exact Simplied Enter your answer in the answer box This Question: 1 pt 2 of 7 (0 complete) The Moment generating function for a discrete random variable is given by :Find the Variance d form Exact Simplied Enter your answer in the answer box
plz explain Let X be a discrete random variable that takes on the Ivalues - 1,0lt and suppose P ( X = -1) =P ( X = 1) = 75 A. Find the moment generating Function Mx (t) of x. B. Use the moment generating function to find a formula for the nth moment E(X") of x.
(1 point) If X is a random variable with moment generating function then and Var(X)
Exercise 1 Let X be a random variable that has moment generating function My(t) = 0.5-t2-t Find P[-1<x< 1]
7. Let X a be random variable with probability density function given by -1 < x < 1 fx(x) otherwise (a) Find the mean u and variance o2 of X (b) Derive the moment generating function of X and state the values for which it is defined (c) For the value(s) at which the moment generating function found in part (b) is (are) not defined, what should the moment generating function be defined as? Justify your answer (d) Let X1,...