Question: 43. X is a random variable with the probability function: f(X) = X/6 for X = 1, 2 or 3 The expected value of X

43. X is a random variable with the probability function: f(X) = X/6 for X = 1, 2 or 3 The expected value of X is a. 0.333 b. 0.500 c. 2.000 d. 2.333 ANS: D PTS: 1 TOP: Discrete Probability Distributions

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The following is a frequency distribution of the monthly expenditures for gasoline of 400 households in Chattanooga. Class Expenditure ($) # of households 1 0 and under 20 84 2 20 and under 40 128 3...

5 pts Question 6 X is a random variable with the probability function: f(x) - for X = 2, 3 or 4. The expected value of X is 0 2.33 04.17 05.13 3.22 5 pts Question 6 X is a random variable with the...

X is a random variable with the probability mass function p(x) = x/6 for x = 1, 2 on 3 The Expected Value of X is V

5. Do example 1.17 the long way: first find the pdf of V (note that the function H(x) = x3 is monotonically increasing) and then use the definition of expected value to find E[V].Example 1.17: Draw a...

Problem 4 Suppose f (x) = axe\" for 0 Problem 4 Suppose f (x) = czec for O

Let X be a random variable with a distribution function F for which F(x) = x^4 for 0 x 1. (a) Determine F(x) for x 1. (b) Does X have a probability mass function? If so, determine it....

Suppose that a discrete random variable X has probability function f (x) = P(X = x) = 1 5, x RX = {2a,a, 0, a, 2a}. (i) Show that, regardless of the value of a, we have E(X) = 0. (ii) Calculate...

a)A fair coin is flipped 10 times. Let X be a random variable equal to the number of heads. What is the expected value of X ? b) A coin is biased so that the probability a head comes up when it is...

If X is a random variable with probability density function f given by: f (x) = 4x 4x 3 when 0 x 1 and 0 otherwise, compute the following quantities: (a) The cumulative distribution function F...

Division X makes and sells a single product. Presently, it sells 15,000 units per year to outside customers at P240 per unit. The annual capacity is 20,000 units and the variable cost to make each...

The Lester Change Manufacturing Company paints wood-imported products. The following are the production data for July: Work in Process Painting S 8,900 7,000 2,500 July 1 Balance July 31 Transferred...

How does a licensee know which forms to use when signing a contract to represent a seller or buy?

*P8.8A (LO 5), AP Writing Anderson Windows Inc. is in the process of setting a target price on its newly designed tinted window. Cost data relating to the window at a budgeted volume of 4,000 units...