The half-life of Carbon 14 is 5745 years. Suppose that certain remai.pdf
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The half-life of Carbon 14 is 5745 years. Suppose that certain remains are discovered in which the current residual amount of Carbon 14 is 16% of the original amount. Determine the age of the remains. This is from the section of the book on homogenous differential equations. Please help me work this through. Solution Let A = age in years Let R = ratio of (sample C14) / (\"living C14\" ) Let H = half-life of C14 A = -1 * H * (log(R) / log(2) ) here R=0.16 A=15188.953810255793377029970244833yrs.
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The last four years of returns for a stock are as follows Year 1.pdf
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Year 1: -4%
Year 2: +28%
Year 3: +12%
Year 4: +4%
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Solution
The mean is (-4+28+12+4)/4= 10 So the variance is [(-4-10)^2 + (28-10)^2 +(12-
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The junior class has 700 men and 500 women. John is a member of the class. One junior student
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Solution
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The hint of the question is helpful in the sense that Inow know that.pdf
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A. easier for managers to comprehend than the net present value.
B. extremely accurate even when cash flow estimates are faulty.
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sets up and maintains the distribution channel, and yet another in charge of creating botnets and
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Monthly and quarterly income statements are often issued as well. The balance sheet, on the
other hand, only shows a picture of the company on a single date in time. The balance sheet does
not reflect a period of time but rather a moment in time.
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To recognize an item is to record it into the accounting records. Revenue recognition normally
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revenue recognition are (a) an exchange transaction, and (b) the earnings process being
complete.
EXPENSE RECOGNITION
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Solution
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The internal rate of return tends to beA. easier for managers to .pdf
The internal rate of return tends to be:
A. easier for managers to comprehend than the net present value.
B. extremely accurate even when cash flow estimates are faulty.
C. ignored by most financial analysts.
D. used primarily to differentiate between mutually exclusive projects.
E. utilized in project analysis only when multiple net present values apply.
A. easier for managers to comprehend than the net present value.
B. extremely accurate even when cash flow estimates are faulty.
C. ignored by most financial analysts.
D. used primarily to differentiate between mutually exclusive projects.
E. utilized in project analysis only when multiple net present values apply.
Solution
E. utilized in project analysis only when multiple net present values apply.
Internal rate of return (IRR) is the interest rate at which the net present value of all the cash flows
(both positive and negative) from a project or investment equal zero.
Internal rate of return is used to evaluate the attractiveness of a project or investment. If the IRR
of a new project exceeds a company’s required rate of return, that project is desirable. If IRR
falls below the required rate of return, the project should be rejected..
The interaction for a particular two-way ANOVA is statistically sign.pdf
The interaction for a particular two-way ANOVA is statistically significant. This implies that:
a. Neither of the main effects is significant
b. Both of the main effects are significant
c. The lines on the graph of cell means will intersect
d. The lines on a graph of cell means will not be parallel
I was thinkn C or B.Im leaning toward C though...
Solution
b. Both of the main effects are significant You\'re testing whether the results are
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The integrity of a leader is synonymous withA.assuranceB.exploitationC.virtueD.sureness
Solution
The integrity of a leader is synonymous with
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common synonyms for integrity are virtue, honor and mortality..
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school has increased. Acts of vandalism and juvenile delinquency are also increasing. Although
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communities have raised concerns among parents. The school board has created a committee of
teachers, administrators, students, and concerned parents to develop proposals for dealing with
problems at the local high school. You are the leader of this committee. The meetings started
with polite sharing of ideas, but tensions soon became apparent. The four groups had very
different ideas about the degree of seriousness of the problem and appropriate solutions. Polite
criticism of ideas shifted into cynical asides and finally into heated attacks. As people became
more emotional, the negative comments became more personal. You are aware that some of the
participants have fought over other school issues in the past.
o How do you as the head of the committee reduce the negative emotions in this situation?
Should you focus on the social/emotional aspects or the task/policy issues? What can be done to
negotiate agreement among the four groups?
Solution.
The increased use of technology may be a threat to public administra.pdf
The increased use of technology may be a threat to public administration and national security.
Construct a scenario in which you support this theory, and propose two (2) methods geared
towards minimizing the technological threats identified within your scenario
Solution
Here are the nine biggest threats facing today\'s IT security pros.
Threat No. 1: Cyber crime syndicates
Although the lone criminal mastermind still exists, these days most malicious hacking attacks are
the result of organized groups, many of which are professional. Traditional organized crime
groups that used to run drugs, gambling, prosecution, and extortion have thrown their hats into
the online money grab ring, but competition is fierce, led not by mafiosos but several very large
groups of professional criminals aimed specifically at cyber crime.
Many of the most successful organized cyber crime syndicates are businesses that lead large
affiliate conglomerate groups, much in the vein of legal distributed marketing hierarchies. In
fact, today\'s cyber criminal probably has more in common with an Avon or Mary Kay rep than
either wants to admit.
Small groups, with a few members, still hack, but more and more, IT security pros are up against
large corporations dedicated to rogue behavior. Think full-time employees, HR departments,
project management teams, and team leaders. And it\'s all criminal, no more funny messages
printed to the screen or other teenage antics. Most operate in the open, and some -- like the
Russian Business Network -- even have their own Wikipedia entries. Kind of makes you wish for
yesteryear, doesn\'t it?
Specialization and division of labor are at the heart of these organizations. A single mastermind,
or an inner circle, will run the collective. Sergeants and subdivisions will specialize in different
areas, with an arm dedicated to creating malware, another dedicated to marketing, another that
sets up and maintains the distribution channel, and yet another in charge of creating botnets and
renting them to other evildoers (see below).
It\'s little wonder why popular IT security practices just don\'t work against today\'s malware,
given that cyber crime has evolved into a multilevel, service-oriented industry with the blatant
goal of fleecing companies and people out of their money and intellectual property..
The independent-measures t test uses data from two separate samples .pdf
The independent-measures t test uses data from two separate samples to test a hypothesis about
the mean difference between two populations.
Solution
true the general purpose of the independent-measures t test is to determine whether
the sample mean difference obtained in a research study indicates a real mean difference between
the two populations (or treatments) or whether the obtained difference is simply the result of
sampling error..
The income statement is an important financial statement used by i.pdf
The income statement is an important financial statement used by individual who are interested
in the operation of business enterprise explain how the periodicity assumption and the revenue
recognition and expense recognition principle provide guidance to accountants in preparing an
income statement
The income statement is an important financial statement used by individual who are interested
in the operation of business enterprise explain how the periodicity assumption and the revenue
recognition and expense recognition principle provide guidance to accountants in preparing an
income statement
Solution
PERIODICITY ASSUMPTION
Business activity is fluid. Revenue and expense generating activities are in constant motion. Just
because it is time to turn a page on a calendar does not mean that all business activity ceases.
But, for purposes of measuring performance, it is necessary to draw a line in the sand of time. A
periodicity assumption is made that business activity can be divided into measurement intervals,
such as months, quarters, and years.
The periodicity assumption is important to financial accounting because it allows businesses to
show current performance to investors and creditors for shorter periods of time.
The income statement is the financial statement that best shows the periodicity assumption. The
income statement presents the business performance for a given time period. A year-end income
statement shows the income and expense performance for the company for the entire year.
Monthly and quarterly income statements are often issued as well. The balance sheet, on the
other hand, only shows a picture of the company on a single date in time. The balance sheet does
not reflect a period of time but rather a moment in time.
REVENUE RECOGNITION
To recognize an item is to record it into the accounting records. Revenue recognition normally
occurs at the time services are rendered or when goods are sold and delivered. The conditions for
revenue recognition are (a) an exchange transaction, and (b) the earnings process being
complete.
EXPENSE RECOGNITION
Expense recognition will typically follow one of three approaches, depending on the nature of
the cost:.
The income statement is an integral part of all financial statements.pdf
The income statement is an integral part of all financial statements presentations. There are two
ways of creating the income statement: the single-step and the multiple-step methods. What are
the merits of each and which do you prefer as 1) the creator of the income statement and 2) the
user of the income statement? Be sure to indicate and explain why you chose each answer.
Should the creator\'s and user\'s needs be the same or different?
Solution
An income statement is a financial summary of a company\'s financial operations over a set
period of time. However, not all companies have the same reporting requirements for their
respective income statements. Smaller companies that have simple structures can get away with
single-step income statements. Other companies, such as corporations, have to produce multiple-
step income statements that are more complicated and detailed. There are advantages and
disadvantages to each type of income statement.
Single-step Income Statement
Single-step income statements offer a very straightforward accounting of a company\'s business
activity. All revenues and gains are added together at the top of the statement, while all of the
losses and expenses are totaled below them. An example of the equation is represented as:
(Revenues + Gains) - (Expenses + Losses) = Net Income
While easy for company accountants to understand, single-step income statements are clearly
very thin on information, and investors are left without any real concept of profitability.
Multiple-step Income Statement
Unlike single-step income statements, a multiple-step income statement offers detailed
information about the gross profit and operating profit of a company. Operating sections of the
statement generally involve revenues and expenses, while nonoperating sections detail the gains
and losses of indirect activity. The company\'s specific sources of revenue and expense are
itemized and presented as different line items, making it easier for investors to digest
performance and evaluate financial health. The obvious trade-off to presenting detailed
accounting is that it is more complicated and time-consuming to put together. Accountants
record every transaction separately and maintain a vigilant segregation of revenue or expense
types..
The Idaho Potato Growers Association ships potatoes to its distribut.pdf
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are normally distributed with a mean weight of 50 pounds and a standard deviation of 0.5 pound.
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Solution
The probability is P(49.
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