Fall 2010 Midterm Solutions
Part A
1) Physical data independence refers to the fact that the schema hides the details of the
physical storage layer from the users. This is important because it allows the DBMS to
use different physical storage strategies (
Chapter 9 Set B Exercises Libby 7e
E9-1B (Similar to E9-1) [LO 1,2,5,6] Computing Working Capital; Explaining the Quick Ratio and
Working Capital
Allen Corporation is preparing its 2012 balance sheet. The company records show the following
selected
amount
Chapter 5 Set B Exercises Libby 7e
E5-1B (Similar to E5-6) [LO 3] Preparing and Interpreting a Classified Balance Sheet with
Discussion of Terminology (Challenging)
Kingston, Inc., manufactures, markets, and distributes fishing gear. Presented here are th
Chapter 4 Set B Exercises Libby 7e
E4-1B. (similar to E 4-3) [LO 2] Recording Adjusting Entries Hsu Company completed its first year
of operations on December 31, 2011. All of the 2011 entries have been recorded except for the
following:
a. At year-end, e
Chapter 6 Set B Exercises- Libby 7e
E6-1B (Similar to E6-1) [LO 2] Reporting Net Sales with Credit Sales and Sales Discounts
During the months of January and February, Shadow Corporation sold goods to three
customers. The
sequence of events was as follows
Chapter3DemoProblem
This case is a continuation of the Terrific Lawn Maintenance
Corporation caseintroduced inChapter 2. Thecompany was
established and supplies, property, and equipment were
purchased. Terrific Lawn is ready for business. The balance
s
Chapter2DemoProblem
On April 1, 2012, three ambitious college students started
Terrific Lawn Maintenance Corporation. A summary of
transactions completed through April 30, 2012, for Terrific
LawnMaintenanceCorporationfollows:
(a
)
Issued500sharesofstock
Chapter8DemoProblems
DemoQuestion#1
Del Potro Industries started as a residential construction company. In
recent years, it has expanded into heavy construction, readymix
concrete,sandandgravel,constructionsupplies,andearthmoving
services.Thecompanycom
Chapter6DemoProblems
DemoQuestion#1
WholesaleWarehouseStoressold$950,000inmerchandiseduring2013,
$400,000ofwhichwasoncreditwithterms2/10,n/30(75percentofthese
amounts were paid within the discount period), $500,000 was paid with
creditcards(therewasa3p
Chapter6DemoProblems
DemoQuestion#1
WholesaleWarehouseStoressold$950,000inmerchandiseduring2013,
$400,000ofwhichwasoncreditwithterms2/10,n/30(75percentofthese
amounts were paid within the discount period), $500,000 was paid with
creditcards(therewasa3p
Homework Assignment 9 is due Friday April 16
Exercise 1: (Boolean OR has a linear separator.) Take as examples all the 2d elements of cfw_0,1d
. Label the example by +1 if there is at least one coordinate with a +1 and label it by -1 if all its
coordinate
Homework assignment 3 due Friday February 19
To expedite grading please submit each problem on a separate sheet of paper.
1. Prove that 1 + x e x for all real x. For what values of x is the approximation 1 + x = e x
good?
2. Let f ( n ) be a function that
Homework assignment 4 is due Friday Feb 26 the day of our first mid term. It consists of
only one problem.
4.1 Suppose you did a random walk on an undirected graph and you kept track of the
degrees of vertices that you encountered. Specifically you record
Homework assignment 5 is due Friday March 5
1. Let A be a square n n matrix whose rows are orthonormal. Prove that the columns
of A are orthonormal.
2. Suppose A is a m d matrix with block diagonal structure where the blocks
B1 , B2 , , Bk are m d and all
Homework assignment 6 is due Friday March 12
1. (a) What is the set of possible harmonic functions on a graph if there are only interior vertices and no
external vertices that supply the boundary condition.
(b) Let q x be the stationary probability of ver
Homeworkassignment7isdueFridayMarch19
1.
Prove that two independent random walks on a two dimensional lattice will hit with
probability one. Hint: What is the distance between the two walks.
2. Determine by simulation the escape probability for the 3-dime
Homeworkassignment8isdueFridayApril2
Exercise1:Howwouldyouintegrateamultivariatepolynomialdistributionoversomeregion?
Exercise2:Whydidwenotjustassign p ( x y ) = p ( y ) and p ( y x ) = p ( x ) toachievethe
balanceconditionintheMetroHastingAlgorithm?
Exer
Homework assignment 2 due Friday February 12
To expedite grading please submit each problem on a separate sheet of paper.
1. We have claimed that a randomly generated point lies on the equator of the sphere
independent of where we pick the North Pole. To
Chapter 7 Set B Exercises Libby 7e
E 7-1B (Similar to E7-1) [LO 1] Analyzing Items to Be Included in Inventory
Based on its physical count of inventory in its warehouse at year-end, December 31, 2011,
Bernard
Company planned to report inventory of $36,500
Chapter 8 Set B Exercises Libby 7e
E 8-1B (Similar to E8-2) [LO 1] Computing and Interpreting the Fixed Asset Turnover Ratio from a
Financial Analysts Perspective The following data were included in a recent Jackson Inc. annual
report ($ in millions):
In
Chapter 13 Set B Exercises Libby 7e
E13-1B (Similar E13-6) [LO 2] Reporting Cash Flows from Operating Activities (Indirect Method)
The following information pertains to Beach Company:
Income Statement for 2012
Sales
Expenses
Cost of goods sold
Depreciatio
Chapter 10 Set B Exercises Libby 7e
10-1B (Similar to E10-2) [LO 1] Interpreting Information Reported in the Business Press
The following information concerns bonds issued by Atkinson Corporation:
Bonds
Atkinson 7.5
Yield
8.3
Close
91.5
Explain the meanin
Chapter 11 Set B Exercises Libby 7e
E11-1B (Similar to E11-1) [LO 1] Computing Shares Outstanding The annual report for Pierre,
Inc., disclosed that 5 million shares of common stock have been authorized. At the end of last
year, 3,805,961 shares had been
Bond Issue Price Calculator
Amount of Bond Issue
Number of years
Number of times interest paid in yr
Contract Interest Rate
Market Rate
500000
5
2
0.1
0.08
Calc of Number of Periods
Calc of Contract Int Rate per Period
Calc of Market Int Rate per Period
C