MATH IN OUR WORLD:LL W/ALEKS >BI<
4th Edition
ISBN: 9781260513714
Author: sobecki
Publisher: MCG
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Textbook Question
Chapter 8.2, Problem 71E
Dan wants to pour a concrete patio in his backyard. He measures the length, width, and thickness of the patio and finds that the amount of concrete he needs is 200 ft3. When he called the concrete company they asked how many cubic yards of concrete he wanted. Help Dan answer the question.
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In Gallup's Annual Consumption Habits Poll, telephone interviews were conducted for a
random sample of 1014 adults aged 18 and over. One of the questions was, "How many
cups of coffee, if any, do you drink on an average day?" The following table shows the
results obtained (Gallup website, August 6, 2012).
Number of Cups
per Day
0
1
2
3
4 or more
Number of
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365
264
193
91
101
Define a random variable x = number of cups of coffee consumed on an average day. Let
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c. Compute the variance of x.
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Ten major college football bowl games were played in January 2010, with the University
of Alabama beating the University of Texas 37 to 21 to become the national champion
of college football. The results of the 10 bowl games follow (USA Today, January 8, 2010).
Bowl Game
Score
Outback
Gator
Auburn 38 Northwestern 35
Florida State 33 West Virginia 21
Capital One
Penn State 19 LSU 17
Rose
Ohio State 26 Oregon 17
Florida 51 Cincinnati 24
Sugar
Cotton
Alamo
Fiesta
Mississippi State 21 Oklahoma State 7
Texas Tech 41 Michigan State 31
Boise State 17 TCU 10
Orange
Iowa 24 Georgia Tech 14
Championship
Alabama 37 Texas 21
Predicted
Point Margin
Actual
Point Margin
5
3
1
12
3
-2
14
3
9
-4
-3
4
229740706
14
10
10
16
The predicted winning point margin was based on Las Vegas betting odds approximately
one week before the bowl games were played. For example, Auburn was predicted to beat
Northwestern in the Outback Bowl by five points. The actual winning point margin for Au-
burn was three points. A…
In 2007 the New York Times reported that the median annual household income in the United
States was $55,500 (New York Times website, August, 21, 2013). Answer the following
questions based on the following sample of 14 household incomes for 2013 ($1000s).
49.4
52.2
52.4
53.4
51.3
52.1
48.7
64.5
51.6
46.5
52.9
52.5
52.1
51.2
a.
What is the median household income for the sample data for 2013?
b. Based on the sample data, estimate the percentage change in the median household
income from 2007 to 2013.
c. Compute the first and third quartiles.
Chapter 8 Solutions
MATH IN OUR WORLD:LL W/ALEKS >BI<
Ch. 8.1 - Prob. 1TTOCh. 8.1 - Convert 81 feet to yards.Ch. 8.1 - Prob. 3TTOCh. 8.1 - A football field is 100 yards long. How many...Ch. 8.1 - The speed of sound at sea level and room...Ch. 8.1 - Prob. 6TTOCh. 8.1 - Prob. 7TTOCh. 8.1 - Prob. 8TTOCh. 8.1 - Prob. 1ECh. 8.1 - Prob. 2E
Ch. 8.1 - Prob. 3ECh. 8.1 - Prob. 4ECh. 8.1 - Prob. 5ECh. 8.1 - Describe a good rule of thumb for relating inches...Ch. 8.1 - Prob. 7ECh. 8.1 - Writing Exercises
8. Describe the rules for...Ch. 8.1 - Prob. 9ECh. 8.1 - Prob. 10ECh. 8.1 - For Exercises 718, convert each using dimensional...Ch. 8.1 - Prob. 12ECh. 8.1 - Prob. 13ECh. 8.1 - Prob. 14ECh. 8.1 - Prob. 15ECh. 8.1 - Prob. 16ECh. 8.1 - Prob. 17ECh. 8.1 - Prob. 18ECh. 8.1 - Prob. 19ECh. 8.1 - Prob. 20ECh. 8.1 - Prob. 21ECh. 8.1 - Prob. 22ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 24ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 26ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 29ECh. 8.1 - Prob. 30ECh. 8.1 - Prob. 31ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 34ECh. 8.1 - Prob. 35ECh. 8.1 - Prob. 36ECh. 8.1 - Prob. 37ECh. 8.1 - Prob. 38ECh. 8.1 - Prob. 39ECh. 8.1 - Prob. 40ECh. 8.1 - Prob. 41ECh. 8.1 - Prob. 42ECh. 8.1 - Prob. 43ECh. 8.1 - Prob. 44ECh. 8.1 - Prob. 45ECh. 8.1 - Prob. 46ECh. 8.1 - Prob. 47ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 49ECh. 8.1 - Prob. 50ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 52ECh. 8.1 - Prob. 53ECh. 8.1 - Prob. 54ECh. 8.1 - Prob. 55ECh. 8.1 - Prob. 56ECh. 8.1 - Prob. 57ECh. 8.1 - Prob. 58ECh. 8.1 - Prob. 59ECh. 8.1 - Prob. 60ECh. 8.1 - Prob. 61ECh. 8.1 - A professional basketball court is 94 feet long....Ch. 8.1 - Prob. 63ECh. 8.1 - Prob. 64ECh. 8.1 - Prob. 65ECh. 8.1 - Prob. 66ECh. 8.1 - Prob. 67ECh. 8.1 - What are the dimensions of a 6 dm by 5 dm piece of...Ch. 8.1 - Prob. 69ECh. 8.1 - If a millipede has 1,000 legs, how many legs would...Ch. 8.1 - Prob. 71ECh. 8.1 - Prob. 72ECh. 8.1 - Prob. 73ECh. 8.1 - Prob. 74ECh. 8.1 - Prob. 75ECh. 8.1 - Prob. 76ECh. 8.1 - Prob. 77ECh. 8.1 - Prob. 78ECh. 8.1 - Prob. 80ECh. 8.1 - Prob. 81ECh. 8.1 - Prob. 82ECh. 8.1 - A college is building a new basketball court that...Ch. 8.1 - If three servings of ice cream have 20 grams of...Ch. 8.1 - Prob. 85ECh. 8.1 - The campus fitness center is installing an...Ch. 8.1 - Prob. 87ECh. 8.1 - Prob. 88ECh. 8.1 - Prob. 89ECh. 8.1 - Prob. 90ECh. 8.1 - Prob. 91ECh. 8.1 - Prob. 92ECh. 8.1 - Prob. 93ECh. 8.1 - Prob. 94ECh. 8.1 - Prob. 95ECh. 8.1 - Prob. 96ECh. 8.1 - Prob. 97ECh. 8.1 - Prob. 98ECh. 8.1 - Prob. 99ECh. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - Prob. 101ECh. 8.1 - Prob. 102ECh. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - Prob. 105ECh. 8.1 - Prob. 106ECh. 8.1 - Prob. 107ECh. 8.1 - Prob. 108ECh. 8.1 - Prob. 109ECh. 8.1 - What units would 7,000 cm have to be converted to...Ch. 8.1 - Prob. 111ECh. 8.2 - Prob. 1TTOCh. 8.2 - A 32-in. wide-screen TV has screen area 3.05 ft2....Ch. 8.2 - Prob. 3TTOCh. 8.2 - Prob. 4TTOCh. 8.2 - Fussy University prohibits any displays on...Ch. 8.2 - Prob. 6TTOCh. 8.2 - Prob. 7TTOCh. 8.2 - Prob. 8TTOCh. 8.2 - Prob. 9TTOCh. 8.2 - Prob. 10TTOCh. 8.2 - Prob. 11TTOCh. 8.2 - Prob. 1ECh. 8.2 - Prob. 2ECh. 8.2 - Prob. 3ECh. 8.2 - Prob. 4ECh. 8.2 - Prob. 5ECh. 8.2 - Prob. 6ECh. 8.2 - Prob. 7ECh. 8.2 - For Exercises 768, convert each measurement to the...Ch. 8.2 - For Exercises 768, convert each measurement to the...Ch. 8.2 - Prob. 10ECh. 8.2 - Prob. 11ECh. 8.2 - Prob. 12ECh. 8.2 - Prob. 13ECh. 8.2 - Prob. 14ECh. 8.2 - Prob. 15ECh. 8.2 - Prob. 16ECh. 8.2 - Prob. 17ECh. 8.2 - Prob. 18ECh. 8.2 - Prob. 19ECh. 8.2 - Prob. 20ECh. 8.2 - Prob. 21ECh. 8.2 - Prob. 22ECh. 8.2 - Prob. 23ECh. 8.2 - Prob. 24ECh. 8.2 - Prob. 25ECh. 8.2 - Prob. 26ECh. 8.2 - Prob. 27ECh. 8.2 - Prob. 28ECh. 8.2 - Prob. 29ECh. 8.2 - Prob. 30ECh. 8.2 - Prob. 31ECh. 8.2 - Prob. 32ECh. 8.2 - Prob. 33ECh. 8.2 - Prob. 34ECh. 8.2 - Prob. 35ECh. 8.2 - Prob. 36ECh. 8.2 - Prob. 37ECh. 8.2 - Prob. 38ECh. 8.2 - Prob. 39ECh. 8.2 - Prob. 40ECh. 8.2 - Prob. 41ECh. 8.2 - Prob. 42ECh. 8.2 - Prob. 43ECh. 8.2 - For Exercises 768, convert each measurement to the...Ch. 8.2 - Prob. 45ECh. 8.2 - Prob. 46ECh. 8.2 - Prob. 47ECh. 8.2 - Prob. 48ECh. 8.2 - Prob. 49ECh. 8.2 - Prob. 50ECh. 8.2 - Prob. 51ECh. 8.2 - Prob. 52ECh. 8.2 - Prob. 53ECh. 8.2 - Prob. 54ECh. 8.2 - Prob. 55ECh. 8.2 - Prob. 56ECh. 8.2 - Prob. 57ECh. 8.2 - Prob. 58ECh. 8.2 - Prob. 59ECh. 8.2 - Prob. 60ECh. 8.2 - Prob. 61ECh. 8.2 - Prob. 62ECh. 8.2 - Prob. 63ECh. 8.2 - Prob. 64ECh. 8.2 - Prob. 65ECh. 8.2 - Prob. 66ECh. 8.2 - Prob. 67ECh. 8.2 - Prob. 68ECh. 8.2 - Prob. 69ECh. 8.2 - Jose has a 15-m2 garden and plans to buy some...Ch. 8.2 - Dan wants to pour a concrete patio in his...Ch. 8.2 - Chloe drank two 20-oz bottles of Diet Pepsi while...Ch. 8.2 - Prob. 73ECh. 8.2 - Prob. 74ECh. 8.2 - Prob. 75ECh. 8.2 - Prob. 76ECh. 8.2 - Prob. 77ECh. 8.2 - Prob. 78ECh. 8.2 - Five cubic feet of seawater have flooded into a...Ch. 8.2 - Prob. 80ECh. 8.2 - Prob. 81ECh. 8.2 - Prob. 82ECh. 8.2 - A search party covered 6 square miles of territory...Ch. 8.2 - A Jacuzzi was filled with 200 gallons of water....Ch. 8.2 - Prob. 85ECh. 8.2 - Prob. 86ECh. 8.2 - Prob. 87ECh. 8.2 - Prob. 88ECh. 8.2 - Prob. 89ECh. 8.2 - In Problems 8590, which unit would be most...Ch. 8.2 - Prob. 91ECh. 8.2 - Prob. 92ECh. 8.2 - Prob. 93ECh. 8.2 - Prob. 94ECh. 8.2 - Prob. 95ECh. 8.2 - Prob. 96ECh. 8.2 - Prob. 97ECh. 8.2 - Prob. 98ECh. 8.2 - Without doing any calculating, which sounds like...Ch. 8.2 - Prob. 102ECh. 8.2 - Prob. 104ECh. 8.2 - As a general rule, there are about 20 drops of...Ch. 8.3 - Prob. 1TTOCh. 8.3 - Prob. 2TTOCh. 8.3 - Prob. 3TTOCh. 8.3 - (a) One of the weight classes in Olympic boxing is...Ch. 8.3 - Barts football coach tells him that hell start...Ch. 8.3 - Prob. 6TTOCh. 8.3 - Prob. 7TTOCh. 8.3 - Prob. 1ECh. 8.3 - In most applications, weight and mass are treated...Ch. 8.3 - Even though the base unit of mass/weight in the...Ch. 8.3 - Measuring temperatures in metric units is...Ch. 8.3 - How do powers of 10 fit into the metric system of...Ch. 8.3 - Prob. 6ECh. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - Prob. 11ECh. 8.3 - Prob. 12ECh. 8.3 - Prob. 13ECh. 8.3 - Prob. 14ECh. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 3146, convert each amount to the...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 4752, convert each Celsius...Ch. 8.3 - For Exercises 5358, convert each Fahrenheit...Ch. 8.3 - Prob. 54ECh. 8.3 - Prob. 55ECh. 8.3 - For Exercises 5358, convert each Fahrenheit...Ch. 8.3 - Prob. 57ECh. 8.3 - Prob. 58ECh. 8.3 - Prob. 59ECh. 8.3 - Prob. 60ECh. 8.3 - Prob. 61ECh. 8.3 - Prob. 62ECh. 8.3 - Prob. 63ECh. 8.3 - Prob. 64ECh. 8.3 - Prob. 65ECh. 8.3 - Prob. 66ECh. 8.3 - Prob. 67ECh. 8.3 - Prob. 68ECh. 8.3 - Prob. 69ECh. 8.3 - For a chicken Marsala recipe, Janine needed 24 oz...Ch. 8.3 - Prob. 71ECh. 8.3 - Prob. 72ECh. 8.3 - Prob. 73ECh. 8.3 - Prob. 74ECh. 8.3 - Prob. 75ECh. 8.3 - While building a new playground at the city...Ch. 8.3 - Prob. 77ECh. 8.3 - During a dinner at Outback Steakhouse, a family of...Ch. 8.3 - An elevator says the maximum capacity is 1,000 kg....Ch. 8.3 - Prob. 80ECh. 8.3 - If the temperature goes down by 7 degrees Celsius...Ch. 8.3 - Between 8 A.M. and noon, the temperature rose by...Ch. 8.3 - Prob. 83ECh. 8.3 - A 1.7-ton truck crosses the border into Canada....Ch. 8.3 - Prob. 85ECh. 8.3 - Prob. 86ECh. 8.3 - Prob. 87ECh. 8.3 - 88.
According to the Guinness Book of World...Ch. 8.3 - Prob. 89ECh. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - Prob. 91ECh. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - Prob. 94ECh. 8.3 - (a) The bar graph shows the average monthly high...Ch. 8.3 - Australia is one of the worlds leading producers...Ch. 8.3 - Prob. 101ECh. 8.3 - Prob. 102ECh. 8.3 - Prob. 103ECh. 8.3 - Prob. 104ECh. 8.3 - Prob. 105ECh. 8 - For Exercises 116, convert each of the following...Ch. 8 - Prob. 2RECh. 8 - Prob. 3RECh. 8 - Prob. 4RECh. 8 - Prob. 5RECh. 8 - Prob. 6RECh. 8 - Prob. 7RECh. 8 - Prob. 8RECh. 8 - Prob. 9RECh. 8 - Prob. 10RECh. 8 - Prob. 11RECh. 8 - Prob. 12RECh. 8 - Prob. 13RECh. 8 - Prob. 14RECh. 8 - Prob. 15RECh. 8 - For Exercises 116, convert each of the following...Ch. 8 - Prob. 17RECh. 8 - Prob. 18RECh. 8 - Prob. 19RECh. 8 - Prob. 20RECh. 8 - Prob. 21RECh. 8 - Prob. 22RECh. 8 - Prob. 23RECh. 8 - Prob. 24RECh. 8 - Prob. 25RECh. 8 - Prob. 26RECh. 8 - Prob. 27RECh. 8 - Prob. 28RECh. 8 - Prob. 29RECh. 8 - Prob. 30RECh. 8 - Prob. 31RECh. 8 - Prob. 32RECh. 8 - For Exercises 2341, convert each of the following...Ch. 8 - Prob. 34RECh. 8 - Prob. 35RECh. 8 - Prob. 36RECh. 8 - Prob. 37RECh. 8 - Prob. 38RECh. 8 - Prob. 39RECh. 8 - Prob. 40RECh. 8 - Prob. 41RECh. 8 - Prob. 42RECh. 8 - Prob. 43RECh. 8 - Prob. 44RECh. 8 - Prob. 45RECh. 8 - Prob. 46RECh. 8 - Prob. 47RECh. 8 - Prob. 48RECh. 8 - Prob. 49RECh. 8 - Prob. 50RECh. 8 - Prob. 51RECh. 8 - Prob. 52RECh. 8 - Prob. 53RECh. 8 - Prob. 54RECh. 8 - Prob. 55RECh. 8 - Prob. 56RECh. 8 - Prob. 57RECh. 8 - Prob. 58RECh. 8 - Prob. 59RECh. 8 - Prob. 60RECh. 8 - For Exercises 4962, convert each of the following...Ch. 8 - Prob. 62RECh. 8 - Prob. 63RECh. 8 - Prob. 64RECh. 8 - Prob. 65RECh. 8 - Prob. 66RECh. 8 - Prob. 67RECh. 8 - Prob. 68RECh. 8 - How many pounds is a baby who weighs 3,200 g?Ch. 8 - Heinrichs temperature is 38.5C. A person is...Ch. 8 - Prob. 71RECh. 8 - Prob. 72RECh. 8 - Prob. 73RECh. 8 - Prob. 1CTCh. 8 - Prob. 2CTCh. 8 - Prob. 3CTCh. 8 - Prob. 4CTCh. 8 - Prob. 5CTCh. 8 - Prob. 6CTCh. 8 - Prob. 7CTCh. 8 - Prob. 8CTCh. 8 - Prob. 9CTCh. 8 - Prob. 10CTCh. 8 - Prob. 11CTCh. 8 - For Exercises 121, convert each of the following:...Ch. 8 - Prob. 13CTCh. 8 - Prob. 14CTCh. 8 - Prob. 15CTCh. 8 - Prob. 16CTCh. 8 - Prob. 17CTCh. 8 - Prob. 18CTCh. 8 - Prob. 19CTCh. 8 - Prob. 20CTCh. 8 - Prob. 21CTCh. 8 - Prob. 22CTCh. 8 - If a runner averages 5.9 feet per second, how long...Ch. 8 - Prob. 24CTCh. 8 - Prob. 25CTCh. 8 - Prob. 26CTCh. 8 - Prob. 27CTCh. 8 - Prob. 28CTCh. 8 - Prob. 29CTCh. 8 - Prob. 30CTCh. 8 - A young family is looking to buy a house and...Ch. 8 - Prob. 32CTCh. 8 - Prob. 33CT
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