The number of AIDS-related deaths/year in the United States is given by the function $f(t)=-53.254 t^{4}+673.7 t^{3}-2801.07 t^{2} +8833.379 t+20,000$ $(0 \leq t \leq 9)$ with t=0 corresponding to the beginning of 1988. Find the total number of AIDS-related deaths in the United States between the beginning of 1988 and the end of 1996.

During the $1990$s, General Electric put together a long string of consecutive quarters in which the firm managed to meet or beat the earnings forecasts of Wall Street stock analysts. Some skeptics wondered if GE “managed" earnings to meet Wall Street's expectations, meaning that GE used accounting gimmicks to conceal the true volatility in its business. How do you think GE's long run of meeting or beating earnings forecasts affected its cost of capital? If investors learn that GE's performance was achieved largely through accounting gimmicks, how do you think they would respond?

Listed below are nine technical accounting terms used in this chapter:

$$\begin{array}{lll}\text { Unrecorded revenue } & \text { Adjusting entries } & \text { Accrued expenses } \\ \text { Book value } & \text { Matching principle } & \text { Accumulated depreciation } \\ \text { Unearned revenue } & \text { Materiality } & \text { Prepaid expenses }\end{array}$$

Each of the following statements may (or may not) describe one of these technical terms. For each statement, indicate the accounting term described, or answer "None" if the statement does not correctly describe any of the terms.
f. A type of account credited when customers pay in advance for services to be rendered in the future.

Use the conditional "If you live in the United States, then you live in Kentucky". Write the indicated type of statement and determine its truth value. Inverse

The United States Capitol Rotunda is a circular room located in the Capitol Building in Washington, D.C. The radius of the room is 48 feet. What is its circumference?

According to the Federal Bureau of Investigation, there is a violent crime in the United States every 22 seconds ( $A B C$ News, September 25, 2007). Assume that the time between successive violent crimes is exponentially distributed.

a. What is the probability that there is a violent crime in the United States in the next one minute?

b. If there has not been a violent crime in the previous minute, what is the probability that there will be a violent crime in the subsequent minute?

The chemical energy released by burning a gallon of gasoline is approximately $1.3 \times 10^5 \mathrm{~kJ}$. Estimate the total energy used by all of the cars in the United States during the course of one year. What fraction does this represent of the total energy use by the United States in one year (currently about $5 \times 10^{20} \mathrm{~J}$ )?

Construct a Plackett-Burman design for 10 variables containing 24 experimental runs.

Design an algorithm to convert the change given in quarters, dimes, nickels, and pennies into pennies.

(a) Recall Why did the United States become involved in the affairs of some Lat in Amer ican countries?

(b) Detect Points of View How do you th ink the outcome of the Cuban missile crisis affected Kennedy's reputat ion in t he United States? How do you th ink it affected Khrushchev 's reputat ion in the Soviet Union?

As part of the Great Plains of the United States, the topography of the state of Kansas is relatively flat. On the other hand, portions of the state of Colorado are mountainous. Describe how the contour interval and the contour lines might vary on topographic maps of these two states.

An old manuscript reveals that a landowner in the time of King Arthur held 3.00 acres of plowed land plus a livestock area of 25.0 perches by 4.00 perches. What was the total area in the more modern unit of square meters? Here, 1 acre is an area of 40 perches by 4 perches, 1 rood is an area of 40 perches by 1 perch, and 1 perch is the length $16.5 \mathrm{ft}$.

What is job enrichment and what has led to its importance in job design ?

Listed below are nine technical accounting terms used in this chapter:

$$\begin{array}{lll}\text { Unrecorded revenue } & \text { Adjusting entries } & \text { Accrued expenses } \\ \text { Book value } & \text { Matching principle } & \text { Accumulated depreciation } \\ \text { Unearned revenue } & \text { Materiality } & \text { Prepaid expenses }\end{array}$$

Each of the following statements may (or may not) describe one of these technical terms. For each statement, indicate the accounting term described, or answer "None" if the statement does not correctly describe any of the terms.
h. An expense representing the systematic allocation of an asset's cost over its useful life.