Chapter Seven
7.1
The probability distribution of the population data is called the population distribution. Tables 7.1 and
7.2 on page 309 of the text provide an example of such a distribution. The probability distribution of a
sample statistic is called
Mann - Introductory Statistics, Fifth Edition, Solutions Manual
5.1
103
Random variable: A variable whose value is determined by the outcome of a random experiment is
called a random variable. An example of this is the income of a randomly selected family
Chapter Six
6.1
The probability distribution of a discrete random variable assigns probabilities to points while that of a
continuous random variable assigns probabilities to intervals.
6.2
The probability that a continuous random variable
x assumes a sin
Chapter Nine
9.1
a. The null hypothesis is a claim about a population parameter that is assumed to be true until it is
declared false.
b. An alternative hypothesis is a claim about a population parameter that will be true if the null
hypothesis is false.
Chapter Eight
8.83
n 100,
x $273, , and s $60;
therefore
s x s / n 60 / 100 6
a. Point estimate of x $273
1
1
$
Margin of error .96 s x .96(6) 11.76
b. The 95 % confidence interval for is:
8.84
x zs x 273 1.96(6) 273 11.76 $261.24 to $284.76
n 100,
then
x
Chapter Eleven
11.1
See box on page 512 of the text.
11.2
For df = 12 and .025 area in the right tail:
2 = 23.337
11.3
For df = 28 and .05 area in the right tail:
2 = 41.337
11.4
For an area of .10 in the left tail, the area in the right tail is 1 .10 = .
Chapter Ten
10.1
The two samples are independent if they are drawn from two different populations and the elements of
the two samples are not related. As an example, suppose we want to estimate the difference between
the salaries of male and female univer
CHAPTER 13
Project Management
TRUE/FALSE
13.1
PERT and CPM are quantitative analysis tools designed to schedule and control large
projects.
ANSWER: TRUE
13.2
PERT is a deterministic analysis tool allowing for precise times of activities within a project.
CHAPTER 22 Multiple Choice
22-1: 22-2: b. d. The total tuition fees for educational and general purposes. 22-3: 22-4: d. (P1,240,000 P160,000) a. Unrestricted cash contribution received from donors are to be reported as increase in net cash provided by op
CHAPTER 12
Network Models
TRUE/FALSE
12.1
The minimal-spanning tree technique finds the shortest route to a series of destinations.
ANSWER: FALSE
12.2
In the minimal-spanning tree technique, it is necessary to start at the last node in the network.
ANSWER
CD-ROM MODULE 4
Material Requirements Planning, Just-in-Time Inventory, and Enterprise
Resource Planning
TRUE/FALSE
M4.1
Material requirements planning (MRP) is designed to manage independent inventory.
ANSWER: FALSE
M4.2
Just-in-time inventory techniques
CHAPTER 16
Markov Analysis
TRUE/FALSE
16.1
The matrix of transition probabilities shows the likelihood that the system will change
from one time period to the next.
ANSWER: TRUE
16.2
In the matrix of transition probabilities, P i j is the conditional prob
CHAPTER 7
Linear Programming Models: Graphical and Computer Methods
TRUE/FALSE
7.1
Management resources that need control include machinery usage, labor volume, money spent,
time used, warehouse space used, and material usage.
ANSWER: TRUE
7.2
In the term
CHAPTER 9
Linear Programming: The Simplex Method
TRUE/FALSE
9.1
A basic feasible solution is a solution to a linear programming problem that corresponds to a
corner point of the feasible region.
ANSWER: TRUE
*9.2
A surplus variable is added to a constrain
CHAPTER 18
Problem 18-1
Problem 18-2
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
D
A
A
C
A
B
C
C
C
D
Problem 18-3
1. Ore property
5,000,000
Total cost (960,000 + 490,000)
1,450,000
Less: Accumulated depletion
400,000
Depletable cost
1,050,000
Divide by estimated remain
CHAPTER 21
MULTIPLE CHOICE 21-1 21.2 21.3 21.4 21.5 21.6 21.7 21.8 21.9 21.10 21.11 21.12 21.13 21.14 21.15 b a a b b a c a a c d b b a a Excess of income over expenses Depreciation Increase in due from national government agencies Increase in prepaid ren
CHAPTER 20
MULTIPLE CHOICE
20-1: b Bad debt expense (S$ 6,000 x P28.20) P169,200 Amortization of patents (S$ 4,000 x P28.20) 112,800 Rent expense (S$ 10,000 x P28.20) 282,000 Total P564,000 Average rate (P28.20) is used to translate all expenses since thi
CHAPTER 19
Multiple Choice
19-1: d.
Direct exchange rate: December 1 December 31 Decrease in forex rate Forex gain (200,000 yen x P0.08) 1 2.22 yen = 1 2.70 yen = P P P 0.45 0.37 0.08 16,000
19-2:
c.
Forex rate, December 1 Forex rate, December 31 Increase
CHAPTER 18
MULTIPLE CHOICE
18-1: a Equipment at original cost Accumulated depreciation: Time of sale Current depreciation based on Original cost (P500,000/10 years 18-2: b Net income Sol Unrealized gain on sale of computer, Dec. 31 Adjusted net income Min
CHAPTER 18
MULTIPLE CHOICE
18-1: a Equipment at original cost Accumulated depreciation: Time of sale Current depreciation based on Original cost (P500,000/10 years 18-2: b Net income Sol Unrealized gain on sale of computer, Dec. 31 Adjusted net income Min
CHAPTER 17
MULTIPLE CHOICE
17-1: B Consolidated sales Sales Papa Sales San Elimination of inter-company sales Consolidated sales Consolidated cost of goods sold Cost of goods sold Papa Cost of goods sold San Eliminations: Realized profit in beginning inve