Let Y be a discrete random variable with generating function 4 Gy (s) 6 - s s2 What is E(Y) (in decimal)? Answer:

Q: A random variable x has the following prob. function: S P(x-4) | |26|31|2|36|20 K 2K 3K K2 2K 4K²…

A:

Q: Let X be a random variable. Which of the following statement is INCORRECT? If V (X) > 0, then for…

A: we know that variance is always positive that is V(X)>0 and also probability is in range [0,1],…

Q: Recall: X(n, p) is a binomial random variable means P(X = x) = p*(1 – p)"-* x(n-x) Let X(n, p)…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: The plot to the right shows the probability function of a random variable Z. Estimate the needed…

A: For the given plot Find P ( z >=3 or z =-1 ) = ? P ( z >=3 ) +P(  z =-1 ) = P( z = 3 ) + P( Z…

Q: b) Give a method for simulating 1- e-3r exponential random variable with cdf F(x) an

A: Simulating a random variable that follows a particular distribution means to generate random…

Q: None

A: Basic formula of probability:Probability = x/nwhere:x = number of favorable outcomesn = total number…

Q: A bank with a branch (Branch 1) located in a commercial district of a city has developed an improved…

A: Independent samples: When the observations of the two samples are not related to each other then the…

Q: 9. A random variable X has the generating function 1 f(z) = (2-z)² Find: a. P(X = 0); b. E(X); c.…

A: The generating function of X is :

Q: 4

A: The value of mean is given as, Ex=1.5. The value of variance is given as, varx=0.25. To determine…

Q: Let f(x)= cx for 1 3.2).

A: Obtain the value of C. The value of C is obtained as follows; Probability Density function: Thus,…

Q: The random variable X follows a Poisson process with the given value of ). and t. Assuming 2 = 0.11…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The PDF of the random variable XX is given below (1st figure). Suppose you have a random variable Y,…

A:

Q: When a man observed a sobriety checkpoint conducted by a police department, he saw 660 drivers were…

A: Probability theorem :  P(W)+P(W¯ ) = 1

Q: X p(x) 0 0.5 1 0.3 2 0.2

A: Let X be the Random variable having probability mass function is,  X 0 1 2 P(X)  0.5 0.3 0.2…

Q: K According to a survey, the probability that a randomly selected worker primarily drives a…

A:

Q: Which of the following are true about the variance of a random variable?     it depends on the…

A: It  does not depend on the number n or n-1 of data values acquired in an experiment If we are…

Q: ONE STUDENT IS PICKED AT RANDOM, FIND: (A) P(A) (B) P(M) (C) P(A/H) (D) P(H/S) (E)

A: The general formula to calculate the probability of event A is  P(event A) = Number of favorable…

Q: The random variable A has range (0, 1), and p.d.I. given by f(x)=3(x-1)², 0<x< 1. (a) Explain why…

A: Solution: The probability density function of random variable X is  f(x)=3(x-1)2        for…