# Question

If the joint probability density of X and Y is given by

Find

(a) The marginal density of X;

(b) The marginal density of Y.

Also determine whether the two random variables are independent.

Find

(a) The marginal density of X;

(b) The marginal density of Y.

Also determine whether the two random variables are independent.

## Answer to relevant Questions

With reference to Exercise 3.53 on page 91, In exercise If the joint probability density of X and Y is given by Find (a) The marginal density of X; (b) The marginal density of Y. With reference to Example 3.3, find the probability distribution of Y, the difference between the number of heads and the number of tails obtained in four tosses of a balanced coin. Example 3.3 Find a formula for the ...The number of minutes that a flight from Phoenix to Tucson is early or late is a random variable whose probability density is given by Where negative values are indicative of the flight’s being early and positive values ...(a) If the probability density of X is given by Find E(X), E(X2), and E(X3). (b) Use the results of part (a) to determine E( X3 + 2X2 - 3X + 1). With reference to Exercise 4.8, find the variance of g(X) = 2X + 3. In exercisePost your question

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