If the mgf of X is M(t) = e5t e4t t , t = 0, and M(0) = 1, find (a) E(X), (b) Var(X)

Chemistry: The Central Science 12
Problem 25E Make the following conversions: (a) 72 F to C, (b) 216.7 C to F, (c) 233 C to K, (d) 315 K to F, (e) 2500 F to K, (f) 0 K to F.

An Introduction to Chemistry 2
PROBLEM 27QP Calculate the molar mass of each of the following compounds. 1. Hg2Cl2 (c) Cl2O5 2. CaSO4 2H2O (d) NaHSO4

Physics for Scientists and Engineers with Modern Physics 9
After a ball rolls off the edge of a horizontal table at time t 5 0, its velocity as a function of time is given by v S 5 1.2 i ^ 2 9.8t j ^ where v S is in meters per second and t is in seconds. The balls displacement away from the edge of the table, during the time interval of 0.380 s for which the

Campbell Biology 10
In mechanism, photophosphorylation is most similar to a. substrate-level phosphorylation in glycolysis. b. oxidative phosphorylation in cellular respiration. c. carbon fixation. d. reduction of NADP+ .

Glencoe Accounting: First Year Course, Student Edition 1
Calculating Employers Payroll Taxes For the week ending June 30, EZ Copy Centers payroll has total gross earnings of $4,836.60. Calculate the employers payroll taxes. Use the following percentages: Social security tax 6.2% Federal unemployment tax

The Practice of Statistics 5
In Exercises 69 to 72, determine whether the given random variable has a binomial distribution. Justify your answer. Taking the train According to New Jersey Transit, the 8:00 A.M. weekday train from Princeton to New York City has a 90% chance of arriving on time on a randomly selected day. Suppo

Horngren's Financial and Managerial Accounting 6
What does the statement of stockholders equity report? How does the statement of stockholders equity differ from the statement of retained earnings?

Biochemistry 9
Can prokaryotes deal with drastic DNA damage in ways that are not available to eukaryotes?