10. Find the expected value of a random variable having the following probability distribution: x-3-1 |01|5
(1 point) X is a random variable having a probability distribution with a mean/expected value of E(X) = 26.8 and a variance of Var(X) = 29. Consider the following random variables. A = 5X B = 5X – 2 C = -2X +9 Answer parts (a) through (c). Part (a) Find the expected value and variance of A. E(A) = !!! (use two decimals) Var(A) = (use two decimals) blues Part (b) Find the expected value and variance of B....
(1 point) ?X is a random variable having a probability distribution with a mean/expected value of ?(?)=25.2E(X)=25.2 and a variance of ???(?)=41Var(X)=41. Consider the following random variables. ?=4?A=4X ?=4?−2B=4X−2 ?=−2?+9C=−2X+9 Answer parts (a) through (c). Part (a) Find the expected value and variance of ?A. ?(?)=E(A)= equation editor Equation Editor (use two decimals) ???(?)=Var(A)= equation editor Equation Editor (use two decimals) Part (b) Find the expected value and variance of ?B. ?(?)=E(B)= equation editor Equation Editor (use two decimals) ???(?)=Var(B)=...
Let Y be a continuous random variable having a gamma probability distribution with expected value 3/2 and variance 3/4. If you run an experiment that generates one-hundred values of Y , how many of these values would you expect to find in the interval [1, 5/2]?
What are the expected value and standard deviation of the following probability distribution? Random Variable X Probability 1 0.05 2 0.05 3 0.10 4 0.10 5 0.15 6 0.15 7 0.25 8 0.15
Consider a random variable X with the following probability distribution: p(x)-0.05x. for x the the expected value of Y-6X-7 2, 3, 4, 5, or 6 Find
Problem 3 Consider the random variable X of the previous question. a. Find the probability distribution of YX-1 b. Find the Expected Value of Y Problem2 Let X be the number of heads in three tosses of a fair coin. a. Display the probability distribution of X b. Find the Expected Value of X c. Find the Variance of X
Find the expected value for the random variable x whose probability function graph is displayed here. What is the expected value of the random variable? Find the expected value for the random variable x whose probability function graph is displayed here. ULL 0 1 2 3 4 5 What is the expected value of the random variable? (Round to the nearest hundredth as needed.)
Suppose that X is a continuous random variable with probability distribution Suppose that X is a continuous random variable with probability distribution O<x<6 18 (a) Find the probability distribution of the random variable Y-10X 3. fr o) 2 Edit for Sy s (b) Find the expected value of Y
(2] 5-81)Suppose that X is a continuous random variable with probability distribution a) Determine the probability distribution of the random variable Y 2X 10. b) Determine the expected value of Y
If X has a binomial random variable with probability distribution f(x) = ?C, (2/5)* (3/5)3-* , x = 0, 1, 2, 3 find the probability distribution of the random variable Y = x.