Find the expected value of the random variable. 2 P(x) 0.20 X 3 4 5 0.45 0.10 0.25

Q: Find the expected value of the random Vanable. 100 200 300 400 P(X = x) 0.18 0.23 0.23 0.36 O A. 297…

A: Given,   E(X)=?

Q: A random variable X has the following probability distribution: X 2 4 6 P(X) 0.12 0.10 2k 0.28 Find…

A:

Q: Find the expected value for the random variable: 1 2 P(X) 0.24 0.27 0.21 0.28

A: Given the probability distribution table: X 1 2 3 5 P(X) 0.24 0.27 0.21 0.28 Expected…

Q: A box contains 5000 tickets. There are 500 cards with value of 1 and 4500 cards with value of 0. We…

A: From the given information, A box contains 5000 tickets. There are 500 cards with value of 1 and…

Q: Find the expected value for the random variable XX. xx -4 1 4 6 12 P(X=x)P(X=x) 0.15 0.23 0.2 0.2…

A: given: x -4 1 4 6 12 P(X=x) 0.15 0.23 0.2 0.2 0.22 The expected value for the random…

Q: The pmf for a random variable X is given below. Determine the mean of X. 1 3 5 .3 .06 .32 X f(x) .18…

A: Given data is x 1 2 3 4 5 f(x) 0.3 0.18 0.06 0.14 0.32

Q: Find the expected value of the random variable. 3 4 P(x) 0.10 0.05 0.30 0.55 What is the expected…

A: We have given that,  X is random variable  having p.m.f  X  :    2           3            4…

Q: O Y = "the time it takes to finish this exam" OX= "the exact number of inches it rained last summer"…

A: Topic:- algebra

Q: Trivia Quiz - The probabilities that a player will get 6 to 11 questions right on a trivia quiz are…

A: X P(X) X*P(X) X2*P(X) 6 0.06 0.36 2.16 7 0.1 0.7 4.9 8 0.3 2.4 19.2 9 0.1 0.9 8.1 10 0.14…

Q: Probability Scores 0.16 0 0.08 3 0.24 11 0.17 13 0.35 14 Find the expected value of the above random…

A: xP(x)00.1630.08110.24130.1714035find Expected value of random variable

Q: Find the expected value for the random variable. 6 8 10 12 P(y) 0.4 0.4 0.08 0.12 V 7.84 9 07.76…

A: The given random variable, y 6 8 10 12 P(y) 0.4 0.4 0.08 0.12 We have to find the expected…

Q: Find the expected value for the random variable. 9. 12 15 18 21 P(z) 0.11 0.25 0.39 0.16 0.09 E(z) =…

A: Formula : E(z) =  Σz * p(z)

Q: Find the probability distribution for the given random variable. (Round all probabilities to four…

A: The number of defective joysticks is 28 and the number of good joysticks is 39.

Q: Find the expected value for the random variable.

A:

Q: Give the probability distribution for the indicated random variable. HINT [See Example 3.] (Enter…

A: Three fair coins are tossed and X is the number of heads minus the number of tails. Total number of…

Q: Find the expected value for the random variable. 21 12 9. 15 18 P(z) 0.12 0.21 0.41 0.18 0.08 (Type…

A: The expected value or mean of z is as follows:

Q: Eighty-five percent of adults want to live to age 100. You randomly select five adults and ask them…

A: 85% of adults want to live to age 100. i.e., Sample size (n) = 5

Q: X 1 1.5 1.5 2.5 3 y 1 2 3 4 5 fxy(x, y) 1/4 1/8 1/4 1/4 1/8 Determine the marginal probability…

A: We have given the following joint distribution of X and Y xyfXY(x,y)111/41.521/81.531/42.541/4351/8

Q: Let the random variable X be the number of rooms in a randomly chosen rented unit in San Jose,…

A:

Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random…

A: From the given information, X P(X=x) -2 0.1 1 0.23 4   5 0.13 6   Let P(X=4)=a and…

Q: Probability Scores 0.25 2 0.15 3 0.08 5 0.1 7 0.12 8 0.3 12 Find the expected value of the above…

A: It is given that the probability scores of a random variable.

Q: Find the expected value of the random variable. 3 0.3 X P(x) 2 0.2 What is the expected value? 4 5…

A: According to the given information, we have The value of X : 2, 3, 4, 5 The probability distribution…

Q: Find the expected value of the random variable. X POX=X X)/ 0. P(X=x) 0.5 O 1.00 O 1.20 O 0.80 O…

A: x p(x) 0 0.5 1 0.2 2 0.3

Q: P(X) 2 0.1 4 0.4 6 0.4 8 0.1 A random variable X has a probability function as given in the table…

A: Given data, X P(X) 2 0.1 4 0.4 6 0.4 8 0.1

Q: Find the expected value of the above random variable.

A: Here we have given the discrete probability distribution. We have to find the expected value of the…

Q: The random variable X, representing the number of errors per 100 lines of software code, has…

A: Given that,x23456f(x)0.40.250.30.010.04we need to find the value of variance by the given formula,

Q: Probability Scores 3 7 8 9 10 12 0.05 0.25 0.35 0.1 0.05 0.1 0.1 W|N 13 Find the expected value of…

A: Expected value is given by  E(x)=∑pi×xi

Q: Probability Scores 0.05 4 0.2 5 0.05 7 0.05 8 0.3 12 0.35 13 1.1102230246252E-16 14 Find the…

A: The following information has been provided: P(X) Probability (X) Scores 0.05 4 0.2 5…

Q: A random variable X has the probability function as given in the table below.  It is easy to verify…

A:

Q: Find the expected value for the random variable. 2 3. 4 5 P(x)| 03 0.1 0.4 0.2 O 4.5 O 3.5 3.1 O 3.7

A: The formula for mean is given by the formula μ=EX=∑xifxi.

Q: X P(X) 0 0.4 7 0.4 9 0.2 Find the expected value of the above random variable. help me?

A: Given: X P(X) 0 0.4 7 0.4 9 0.2

Q: Find the expected value of the random variable. 3 4 P(x) 0.2 0.3 0.4 0.1

A: Solution-: We have following table: X P(X) 2 0.2 3 0.3 4 0.4 5 0.1 We find expected…