# Question: With reference to Exercise 4 37 find the variance of the

With reference to Exercise 4.37, find the variance of the random variable by

In exercise

(a) Expanding the moment-generating function as an infinite series and reading off the necessary coefficients;

(b) Using Theorem 4.9.

In exercise

(a) Expanding the moment-generating function as an infinite series and reading off the necessary coefficients;

(b) Using Theorem 4.9.

## Answer to relevant Questions

Prove the three parts of Theorem 4.10. Theorem 4.10 If a and b are constants, then 1. 2. 3. With reference to Exercise 3.74 on page 100, find cov( X, Y). With reference to Exercise 3.71 on page 100, find the conditional expectation of the random variable U = Z2 given X = 1 and Y = 2. If a contractorâ€™s profit on a construction job can be looked upon as a continuous random variable having the probability density Where the units are in $ 1,000, what is her expected profit? A study of the nutritional value of a certain kind of bread shows that the amount of thiamine ( vitamin B1) in a slice may be looked upon as a random variable with Âµ = 0.260 milligram and s = 0.005 milligram. According to ...Post your question