Find the marginal distributions of x and y

Assignment Help Engineering Mathematics

Reference no: EM131529918

Question: Suppose that the joint probability distribution of X and Y is given by the following table.

(a) Are X and Y independent? Explain.

(b) Find the marginal distributions of X and Y.

(d) Repeat part (c) for X = 2 and X = 3 and hence verify the result that V( Y) = EV( Y I X) + VE(Y|X) that is the variance of a random variable is equal to the expectation of its conditional variance plus the variance of its conditional expectation.

Reference no: EM131529918

Questions Cloud

What should be the dividing line between an a and a b grade : You are given 10 white and 10 black balls and two boxes. You are told that your instructor will draw a ball from one of the two boxes.

How the internal rate of return method works : Describe capital budgeting? Describe how the Internal Rate of Return method works.

Describe an example of stereotyping in the media : Consider all the media sources you view every day. Describe an example of stereotyping in the media that you have recently witnessed

How can texting during a meeting hurt you in your career : How can texting during a meeting hurt you in your career? Make each question a separate heading followed by response. (1 to 2 paragraphs).

Find the marginal distributions of x and y : Suppose that the joint probability distribution of X and Y is given by the following table.

Explain why an mnc may invest funds in a financial market : Describe the advantages and disadvantages of the choice you made. Describe the advantages and disadvantages inherent in the option you did not choose

What are the features and benefits of the given product : Are the marketing activities appropriate for the target market and why do think so? What are the features and benefits of this product?

Define type i error and type ii error : Suppose that you replace every observation x by y = 3x + 7 and the mean µ by ? = 3µ + 7. What happens to the t-value you use?

Determine key roles that human resource management play : Determine key roles that human resource management plays in health care field. Analyze the role of human resource management in an organization's strategic plan

User Account

All Pages