Choose the best answer to the following.

A First Course in Probability 9
Problem 33P A newsboy purchases papers at 10 cents and sells them at 15 cents. However, he is not allowed to return unsold papers. If his daily demand is a binomial random variable with n = 10, p = , approximately how many papers should he purchase so as to maximize his expected profit?

Classical Mechanics 0
Consider the cube balanced on a cylinder as described in Example 4.7 (page 130). Assuming that b < r, use the Lagrangian approach to find the angular frequency of small oscillations about the top. The simplest procedure is to make the small-angle approximations to before you differentiate to get Lagr

Glencoe Accounting: First Year Course, Student Edition 1
Recording Business Transactions Instructions The six steps for recording a business transaction in the general journal are shown below, out of order. In your working papers or on a blank sheet of paper, indicate the proper order of these steps. A. Amount of the credit B. Name of the account cred

Principles of Economics 6
Pharmaceutical drugs have an inelastic demand, and computers have an elastic demand. Suppose that technological advance doubles the supply of both products (that is, the quantity supplied at each price is twice what it was). a. What happens to the equilibrium price and quantity in each market? b. W

Biology for AP Courses
Who was the first to clearly identify and name individual cells? a. Anton van Leeuwenhoek. b. Matthias Schleiden c. Robert Hooke d. Theodore Schwann

Chemistry for today : general, organic, and biochemistry 9
How many mL of a 0.100 M NaOH solution would be needed to titrate 0.156 g of butanoic acid to a neutral pH endpoint?

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

Introductory Chemistry: A Foundation 9
Using the average atomic masses given inside the front cover of this book, calculate the mass in grams of each of the following samples. a. 0.341 mole of potassium nitride b. 2.62 mmol of neon (1 mmol 5 1/1000 mol) c. 0.00449 mole of manganese(II) oxide d. \(7.18 \times 10^{5}\) m