
Mathematics with Applications In the Management, Natural and Social Sciences (11th Edition)
11th Edition
ISBN: 9780321931078
Author: Margaret L. Lial, Thomas W. Hungerford, John P. Holcomb, Bernadette Mullins
Publisher: PEARSON
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Chapter 12.3, Problem 21E
To determine
To calculate: The absolute extremum of given function
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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
Responses
365
264
193
91
101
Define a random variable x = number of cups of coffee consumed on an average day. Let
x=4 represent four or more cups.
a. Develop a probability distribution for x.
b. Compute the expected value of x.
c. Compute the variance of x.
d. Suppose we are only interested in adults who drink at least one cup of coffee on an
average day. For this group, let y = the number of cups of coffee consumed on an
average day. Compute the expected value of y and compare it to the expected value of x.
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…
Chapter 12 Solutions
Mathematics with Applications In the Management, Natural and Social Sciences (11th Edition)
Ch. 12.1 - Checkpoint 1
For what values of x is the function...Ch. 12.1 - Checkpoint 2
Find all intervals on which is...Ch. 12.1 - Checkpoint 3
Identity the x-values of all points...Ch. 12.1 - Checkpoint 4
Find the critical numbers for each of...Ch. 12.1 - Prob. 5CPCh. 12.1 - Prob. 6CPCh. 12.1 - Prob. 7CPCh. 12.1 - Prob. 8CPCh. 12.1 - Checkpoint 9
If a sales function is given by...Ch. 12.1 - Prob. 1E
Ch. 12.1 - Prob. 2ECh. 12.1 - Prob. 3ECh. 12.1 - Prob. 4ECh. 12.1 - Prob. 5ECh. 12.1 - Prob. 6ECh. 12.1 - Prob. 7ECh. 12.1 - Prob. 8ECh. 12.1 - Prob. 9ECh. 12.1 - Prob. 10ECh. 12.1 - Prob. 11ECh. 12.1 - Find the intervals on which each function is...Ch. 12.1 - Find the intervals on which each function is...Ch. 12.1 - Find the intervals on which each function is...Ch. 12.1 - Prob. 15ECh. 12.1 - Prob. 16ECh. 12.1 - Prob. 17ECh. 12.1 - Prob. 18ECh. 12.1 - Prob. 19ECh. 12.1 - Prob. 20ECh. 12.1 - Prob. 21ECh. 12.1 - Determine the location of each local extremum of...Ch. 12.1 - Prob. 23ECh. 12.1 - Prob. 24ECh. 12.1 - Prob. 25ECh. 12.1 - Prob. 26ECh. 12.1 - Determine the location of each local extremum of...Ch. 12.1 - Determine the location of each local extremum of...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - In Exercises 29–40, use the first-derivative test...Ch. 12.1 - Prob. 36ECh. 12.1 - Prob. 37ECh. 12.1 - Prob. 38ECh. 12.1 - Prob. 39ECh. 12.1 - Prob. 40ECh. 12.1 - Use the maximum/minimum finder on a graphing...Ch. 12.1 - Prob. 42ECh. 12.1 - Prob. 43ECh. 12.1 - Prob. 44ECh. 12.1 - Prob. 45ECh. 12.1 - 46. Business Operating profits (in billions of...Ch. 12.1 - Prob. 47ECh. 12.1 - Prob. 48ECh. 12.1 - Prob. 49ECh. 12.1 - Prob. 50ECh. 12.1 - 51. Physical Science A Boston Red Sox pitcher...Ch. 12.1 - 52. Business Revenue (in billions of dollars) from...Ch. 12.1 - 53. Social Science According to projections by the...Ch. 12.1 - 54. Business The number of full-time employees (in...Ch. 12.1 - Work these exercises. You may need to use the...Ch. 12.1 - 56. Business The number of common stock holders...Ch. 12.1 - 57. Natural Science The microbe concentration...Ch. 12.1 - Prob. 58ECh. 12.1 - Prob. 59ECh. 12.1 - Prob. 60ECh. 12.1 - Prob. 61ECh. 12.1 - Prob. 62ECh. 12.1 - Prob. 63ECh. 12.1 - Prob. 64ECh. 12.1 - 65. Social Science A group of researchers found...Ch. 12.1 - Prob. 66ECh. 12.1 - Prob. 67ECh. 12.1 - Prob. 68ECh. 12.1 - Prob. 69ECh. 12.1 - Prob. 70ECh. 12.2 - Prob. 1CPCh. 12.2 - Prob. 2CPCh. 12.2 - Prob. 3CPCh. 12.2 - Prob. 4CPCh. 12.2 - Prob. 5CPCh. 12.2 - Prob. 6CPCh. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - For each of these functions, find and (See...Ch. 12.2 - In Exercises 19 and 20, P(t) is the price of a...Ch. 12.2 - In Exercise 19 and 20, is the price of a certain...Ch. 12.2 - Physical Science Each of the functions in...Ch. 12.2 - Physical Science Each of the functions in...Ch. 12.2 - Prob. 23ECh. 12.2 - Prob. 24ECh. 12.2 - Prob. 25ECh. 12.2 - Prob. 26ECh. 12.2 - Find the largest open intervals on which each...Ch. 12.2 - Prob. 28ECh. 12.2 - Find the largest open intervals on which each...Ch. 12.2 - Find the largest open intervals on which each...Ch. 12.2 - Find the largest open intervals on which each...Ch. 12.2 - Find the largest open intervals on which each...Ch. 12.2 - Business In Exercises 33–36, find the point of...Ch. 12.2 - Business In Exercises 33–36, find the point of...Ch. 12.2 - Business In Exercises 33–36, find the point of...Ch. 12.2 - Business In Exercises 33–36, find the point of...Ch. 12.2 - Find all critical numbers of the functions in...Ch. 12.2 - Find all critical numbers of the functions in...Ch. 12.2 - Find all critical numbers of the functions in...Ch. 12.2 - Prob. 40ECh. 12.2 - Prob. 41ECh. 12.2 - Prob. 42ECh. 12.2 - Prob. 43ECh. 12.2 - Prob. 44ECh. 12.2 - Prob. 45ECh. 12.2 - Find all critical numbers of the functions in...Ch. 12.2 - Prob. 47ECh. 12.2 - Prob. 48ECh. 12.2 - Prob. 49ECh. 12.2 - Prob. 50ECh. 12.2 - Prob. 51ECh. 12.2 - Prob. 52ECh. 12.2 - Prob. 53ECh. 12.2 - Prob. 54ECh. 12.2 - Prob. 55ECh. 12.2 - Prob. 56ECh. 12.2 - Prob. 57ECh. 12.2 - Prob. 58ECh. 12.2 - Prob. 59ECh. 12.2 - Prob. 60ECh. 12.2 - Prob. 61ECh. 12.2 - Prob. 62ECh. 12.2 - Prob. 63ECh. 12.2 - 64. Business The price of Starbucks Corporation...Ch. 12.2 - 65. Social Science The population of Wyoming (in...Ch. 12.2 - Prob. 66ECh. 12.2 - Prob. 67ECh. 12.2 - Prob. 68ECh. 12.2 - Prob. 69ECh. 12.3 - Checkpoint 1
Find the location of the absolute...Ch. 12.3 - Prob. 2CPCh. 12.3 - Prob. 3CPCh. 12.3 - Prob. 4CPCh. 12.3 - Prob. 5CPCh. 12.3 - Checkpoint 6
In Example 9, suppose annual demand...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the location of the absolute maximum and...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Prob. 11ECh. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Find the absolute extrema of each function on the...Ch. 12.3 - Prob. 16ECh. 12.3 - Prob. 17ECh. 12.3 - Prob. 18ECh. 12.3 - Prob. 19ECh. 12.3 - If possible, find an absolute extremum of each...Ch. 12.3 - If possible, find an absolute extremum of each...Ch. 12.3 - If possible, find an absolute extremum of each...Ch. 12.3 - If possible, find an absolute extremum of each...Ch. 12.3 - Prob. 24ECh. 12.3 - Work these problems. (See Example 5.)
25. Business...Ch. 12.3 - Work these problems. (See Example 5.)
26. Business...Ch. 12.3 - 27. Business The number of employees of...Ch. 12.3 - 28. Social Science The number of people in...Ch. 12.3 - 29. Business Revenue generated by admissions to...Ch. 12.3 - 30. Health The number of heart transplants can be...Ch. 12.3 - 31. Business A manufacturer produces gas grills...Ch. 12.3 - 32. Business Saltwater taffy can be sold wholesale...Ch. 12.3 - 33. Natural Science A lake polluted by bacteria is...Ch. 12.3 - 34. Social Science The number of people in...Ch. 12.3 - 35. Health A disease has hit College Station,...Ch. 12.3 - Prob. 36ECh. 12.3 - Prob. 37ECh. 12.3 - Prob. 38ECh. 12.3 - Prob. 39ECh. 12.3 - Prob. 40ECh. 12.3 - Prob. 41ECh. 12.3 - 42. Business A cylindrical can of volume 58 cubic...Ch. 12.3 - Prob. 43ECh. 12.3 - Prob. 44ECh. 12.3 - Prob. 45ECh. 12.3 - 46. Business A rectangular field is to be enclosed...Ch. 12.3 - 47. Business A mathematics book is to contain 36...Ch. 12.3 - Prob. 48ECh. 12.3 - 49. Business If the price charged for a candy bar...Ch. 12.3 - 50. Business A company makes plastic buckets for...Ch. 12.3 - 51. Business We can use the function
to model the...Ch. 12.3 - 52. Business A rock-and-roll band travels from...Ch. 12.3 - 53. Natural Science Homing pigeons avoid flying...Ch. 12.3 - 54. Business A company wishes to run a utility...Ch. 12.3 - Prob. 55ECh. 12.3 - Prob. 56ECh. 12.3 - Prob. 57ECh. 12.3 - Prob. 58ECh. 12.3 - Prob. 59ECh. 12.3 - 60. Business A restaurant has an annual demand for...Ch. 12.3 - 61. Business Choose the correct answer:* The...Ch. 12.4 - Checkpoint 1
Find for
Ch. 12.4 - Prob. 2CPCh. 12.4 - Prob. 3CPCh. 12.4 - Prob. 4CPCh. 12.4 - Prob. 5CPCh. 12.4 - Prob. 6CPCh. 12.4 - Checkpoint 7
Suppose the sales function in Example...Ch. 12.4 - Prob. 1ECh. 12.4 - Prob. 2ECh. 12.4 - Find by implicit differentiation. (See Examples...Ch. 12.4 - Find by implicit differentiation. (See Examples...Ch. 12.4 - Prob. 5ECh. 12.4 - Prob. 6ECh. 12.4 - Prob. 7ECh. 12.4 - Prob. 8ECh. 12.4 - Prob. 9ECh. 12.4 - Prob. 10ECh. 12.4 - Prob. 11ECh. 12.4 - Find by implicit differentiation. (See Examples...Ch. 12.4 - Prob. 13ECh. 12.4 - Prob. 14ECh. 12.4 - Prob. 15ECh. 12.4 - Find by implicit differentiation. (See Examples...Ch. 12.4 - Prob. 17ECh. 12.4 - Prob. 18ECh. 12.4 - Prob. 19ECh. 12.4 - Find at the given point. (See Example 5.)
20.
Ch. 12.4 - Find at the given point. (See Example 5.)
21.
Ch. 12.4 - Prob. 22ECh. 12.4 - Prob. 23ECh. 12.4 - Find at the given point. (See Example 5.)
23.
Ch. 12.4 - Prob. 25ECh. 12.4 - Prob. 26ECh. 12.4 - Prob. 27ECh. 12.4 - Prob. 28ECh. 12.4 - Prob. 29ECh. 12.4 - Prob. 30ECh. 12.4 - Prob. 31ECh. 12.4 - Prob. 32ECh. 12.4 - Find the equation of the tangent line to the curve...Ch. 12.4 - Prob. 34ECh. 12.4 - Prob. 35ECh. 12.4 - Prob. 36ECh. 12.4 - Prob. 37ECh. 12.4 - Prob. 38ECh. 12.4 - Prob. 39ECh. 12.4 - Prob. 40ECh. 12.4 - 41. Business A night club has approximated the...Ch. 12.4 - 42. Business The demand to download a hit single...Ch. 12.4 - Prob. 43ECh. 12.4 - 44. Business For the equation given in the...Ch. 12.4 - 45. Business For PepsiCo, Inc., the relationship...Ch. 12.4 - Prob. 46ECh. 12.4 - Prob. 47ECh. 12.4 - 48. Business At a certain online printing service,...Ch. 12.5 - Checkpoint 1
Given that R3 = 25n4, find when n =...Ch. 12.5 - Prob. 2CPCh. 12.5 - Prob. 3CPCh. 12.5 - Prob. 4CPCh. 12.5 - Prob. 5CPCh. 12.5 - Prob. 6CPCh. 12.5 - Prob. 7CPCh. 12.5 - Given that x and y are functions of time, find the...Ch. 12.5 - Given that x and y are functions of time, find the...Ch. 12.5 - Given that x and y are functions of time, find the...Ch. 12.5 - Given that x and y are functions of time, find the...Ch. 12.5 - Prob. 5ECh. 12.5 - Prob. 6ECh. 12.5 - Prob. 7ECh. 12.5 - Prob. 8ECh. 12.5 - Prob. 9ECh. 12.5 - Given that x and y are functions of time, find the...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - Prob. 17ECh. 12.5 - Prob. 18ECh. 12.5 - Prob. 19ECh. 12.5 - Work these exercises. (See Examples 1, 3, and...Ch. 12.5 - 21. Business An architectural firm must decide on...Ch. 12.5 - 22. Social Science During a six-game hitless slump...Ch. 12.5 - Work these exercises. (See Example...Ch. 12.5 - Work these exercises. (See Example...Ch. 12.5 - Work these exercises. (See Example...Ch. 12.5 - Work these exercises. (See Example...Ch. 12.5 - Work these exercises.
27. Business The campus...Ch. 12.5 - Work these exercises.
28. Business Following a...Ch. 12.5 - 29. Business During a local political race, the...Ch. 12.5 - Prob. 30ECh. 12.5 - Prob. 31ECh. 12.5 - Prob. 32ECh. 12.6 - Prob. 1CPCh. 12.6 - Prob. 2CPCh. 12.6 - Prob. 3CPCh. 12.6 - Prob. 4CPCh. 12.6 - Prob. 1ECh. 12.6 - Sketch the graph of the function. Identify any...Ch. 12.6 - Prob. 3ECh. 12.6 - Prob. 4ECh. 12.6 - Sketch the graph of the function. Identify any...Ch. 12.6 - Prob. 6ECh. 12.6 - Sketch the graph of the function. Identify any...Ch. 12.6 - Prob. 8ECh. 12.6 - Prob. 9ECh. 12.6 - Prob. 10ECh. 12.6 - Prob. 11ECh. 12.6 - Sketch the graph of the function. Identify any...Ch. 12.6 - Prob. 13ECh. 12.6 - Prob. 14ECh. 12.6 - Prob. 15ECh. 12.6 - Prob. 16ECh. 12.6 - Prob. 17ECh. 12.6 - Sketch the graph of the function. Identify any...Ch. 12.6 - Prob. 19ECh. 12.6 - Prob. 20ECh. 12.6 - Prob. 21ECh. 12.6 - Prob. 22ECh. 12.6 - Prob. 23ECh. 12.6 - In Exercises 23–28, sketch the graph of a function...Ch. 12.6 - Prob. 25ECh. 12.6 - In Exercises 23–28, sketch the graph of a function...Ch. 12.6 - In Exercises 23–28, sketch the graph of a function...Ch. 12.6 - In Exercises 23–28, sketch the graph of a function...Ch. 12.6 - 29. Business The accompanying figure shows the...Ch. 12.6 - 30. Refer to the graph in Exercise 29. Which...Ch. 12.6 - 31. Business The revenue function (in millions of...Ch. 12.6 - 32. Business The cost function (in millions of...Ch. 12.6 - 33. Social Science The percent of the population...Ch. 12.6 - 34. Health The percent of female graduates in...Ch. 12.6 - Use a graphing calculator or computer to find the...Ch. 12.6 - Use a graphing calculator or computer to find the...Ch. 12.6 - Use a graphing calculator or computer to find the...Ch. 12.6 - Use a graphing calculator or computer to find the...Ch. 12.6 - 39. Business The revenue (in billions of dollars)...Ch. 12.6 - 40. Business The revenue (in billions of dollars)...Ch. 12.6 - Use a graphing calculator or computer to find the...Ch. 12.6 - Prob. 42ECh. 12.6 - Prob. 43ECh. 12.6 - Prob. 44ECh. 12 - Prob. 1CECh. 12 - Prob. 2CECh. 12 - Prob. 3CECh. 12 - Prob. 4CECh. 12 - Prob. 5CECh. 12 - 6. What is the optimum time interval between...Ch. 12 - A pharmaceutical company is planning to gradually...Ch. 12 - Prob. 1RECh. 12 - Prob. 2RECh. 12 - Prob. 3RECh. 12 - Prob. 4RECh. 12 - Prob. 5RECh. 12 - Prob. 6RECh. 12 - Prob. 7RECh. 12 - Prob. 8RECh. 12 - Prob. 9RECh. 12 - Prob. 10RECh. 12 - Prob. 11RECh. 12 - Prob. 12RECh. 12 - Prob. 13RECh. 12 - Prob. 14RECh. 12 - Prob. 15RECh. 12 - Prob. 16RECh. 12 - Prob. 17RECh. 12 - Prob. 18RECh. 12 - Prob. 19RECh. 12 - Prob. 20RECh. 12 - Prob. 21RECh. 12 - Prob. 22RECh. 12 - Prob. 23RECh. 12 - Prob. 24RECh. 12 - Prob. 25RECh. 12 - Prob. 26RECh. 12 - Prob. 27RECh. 12 - Prob. 28RECh. 12 - Prob. 29RECh. 12 - Prob. 30RECh. 12 - Prob. 31RECh. 12 - Prob. 32RECh. 12 - Prob. 33RECh. 12 - Prob. 34RECh. 12 - Prob. 35RECh. 12 - Prob. 36RECh. 12 - Prob. 37RECh. 12 - Prob. 38RECh. 12 - Prob. 39RECh. 12 - Prob. 40RECh. 12 - Prob. 41RECh. 12 - Prob. 42RECh. 12 - Prob. 43RECh. 12 - Prob. 44RECh. 12 - Prob. 45RECh. 12 - Prob. 46RECh. 12 - Prob. 47RECh. 12 - Prob. 48RECh. 12 - Prob. 49RECh. 12 - Prob. 50RECh. 12 - Prob. 51RECh. 12 - Prob. 52RECh. 12 - Prob. 53RECh. 12 - Prob. 54RECh. 12 - Prob. 55RECh. 12 - Prob. 56RECh. 12 - Prob. 57RECh. 12 - Prob. 58RECh. 12 - 59. Business A landscaper needs to design an...Ch. 12 - Prob. 60RECh. 12 - Prob. 61RECh. 12 - Prob. 62RECh. 12 - Prob. 63RECh. 12 - 64. Business How many phones need to be produced...Ch. 12 - Prob. 65RECh. 12 - Prob. 66RECh. 12 - Prob. 67RECh. 12 - Prob. 68RECh. 12 - Prob. 69RECh. 12 - Prob. 70RECh. 12 - Prob. 71RECh. 12 - Prob. 72RECh. 12 - Prob. 73RECh. 12 - 74. Social Science A baseball player hits the ball...
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