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Berresford and Rockett - FINITE 1/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 5 / 27

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7 8 9 10
1/2 –/1 –/2 –/2 –/1 –/1 –/1 –/5 4/4 –/8
Total
5/27 (18.5%)

  • Instructions

    Here are some textbook questions from FINITE 1/e by Geoffrey C. Berresford and Andrew M. Rockett published by Brooks/Cole Publishing. Click here for a list of all of the questions coded in WebAssign.

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1. 1/2 points  |  Previous Answers BerrFinMath1 1.1.001. My Notes
Question Part
Points
Submissions Used
1 2
0/1 1/1
3/50 2/50
Total
1/2
 
Write the interval in set notation and graph it on the real line.
[−1, 5)
     Incorrect: Your answer is incorrect.

Use the tools to enter your answer.
Created with Raphaël 2.1.0-10-8-6-4-20246810
Created with Raphaël 2.1.0

NO SOLUTION

Help
Correct: Your answer is correct.

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2. –/1 points BerrFinMath1 2.1.005. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Find the interest rate on a loan charging $748 simple interest on a principal of $2750 after 8 years.
%
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3. –/2 points BerrFinMath1 2.2.002. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
Determine the amount due on the compound interest loan. (Round your answers to the nearest cent.)
$15,000 at 3.1% for 5 years 6 months if the interest is compounded in the following ways.
(a) semiannually
$

(b) monthly
$

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4. –/2 points BerrFinMath1 2.2.007. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
Use the "rule of 72" to estimate the doubling time (in years) for the interest rate, and then calculate it exactly. (Round your answers to two decimal places.)
8% compounded annually.
"rule of 72"     yr
exact answer     yr

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5. –/1 points BerrFinMath1 2.3.005. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
In the following ordinary annuity, the interest is compounded with each payment, and the payment is made at the end of the compounding period.

Find the amount of time needed for the sinking fund to reach the given accumulated amount. (Round your answer to two decimal places.)
$5500 yearly at 6% to accumulate $100,000.
yr

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6. –/1 points BerrFinMath1 2.4.003. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Determine the payment to amortize the debt. (Round your answer to the nearest cent.)
Monthly payments on $160,000 at 5% for 25 years.
$

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7. –/1 points BerrFinMath1 2.4.010. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
A MasterCard statement shows a balance of $560 at 13.4% compounded monthly. What monthly payment will pay off this debt in 1 year 4 months? (Round your answer to the nearest cent.)
$
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8. –/5 points BerrFinMath1 4.1.006. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5
–/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50
Total
–/5
 
Sketch the system of inequalities.
3x + y ≥ 12
x + y ≥ 8
x ≥ 0, y ≥ 0
No Solution
Help
-4
-3
-2
-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
-4
-3
-2
-1
1
2
3
4
5
6
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8
9
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11
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13
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15
16
Clear Graph
Delete Layer
Fill

Graph LayersToggle Open/Closed

  • After you add an object to the graph you can use Graph Layers to view and edit its properties.

List all vertices. (Order your answers from smallest to largest x, then from smallest to largest y.)
(x, y) = 
(x, y) = 
(x, y) = 

Identify the region as "bounded" or "unbounded."
    

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9. 4/4 points  |  Previous Answers BerrFinMath1 5.1.011. My Notes
Question Part
Points
Submissions Used
1 2 3 4
1/1 1/1 1/1 1/1
1/50 1/50 1/50 1/50
Total
4/4
 
Given that n(A) = 22, n(B) = 10, n(A ∩ B) = 6, and n(U) = 38, fill in the four regions in the Venn diagram.
A
B U Correct: Your answer is correct. Correct: Your answer is correct. Correct: Your answer is correct. Correct: Your answer is correct.

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10. –/8 points BerrFinMath1 6.3.008. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/8
 
Analyze the data by finding the range, the five-point summary, and the sample standard deviation. (Round your standard deviation to two decimal places.)

A random sample of thirty airplane departures from Dallas International found the following numbers of "no shows" at the boarding gates:
10 5 10 7 7 12 9 8 6 10
10 8 9 10 6 6 6 9 5 8
6 4 13 9 8 5 11 11 10 2
range      "no shows"
minimum      "no shows"
first quartile      "no shows"
median      "no shows"
third quartile      "no shows"
maximum      "no shows"
standard deviation      "no shows"

Draw the box-and-whisker plot.

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