College Mathematics for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
14th Edition
ISBN: 9780134674148
Author: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen, Christopher J. Stocker
Publisher: PEARSON
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Chapter 14.1, Problem 49E
To determine
To find: The values of x such that
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Question 2
The data below provides the battery life of thirty eight (38) motorcycle batteries.
100 83 83 105 110 81 114
99 101 105 78 115 74 96
106
89
94 81 106 91 93 86
79 103 94 108 113 100
117 120
77 93
93 85 76
89 78 88
680
a. Test the hypothesis that mean battery life is greater than 90. Use the 1% level of
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b. Determine if the mean battery life is different from 80. Use the 10% level of
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c. Would your conlcusion in part (b) change at the 5% level of significance? |
d. Confirm test results in part (b) using JASP. Note: All JASP input files and output
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Chapter 14 Solutions
College Mathematics for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
Ch. 14.1 - Matched Problem 1 Find C(20, 10) for the cost...Ch. 14.1 - Prob. 2MPCh. 14.1 - Prob. 3MPCh. 14.1 - Prob. 4MPCh. 14.1 - Prob. 5MPCh. 14.1 - Prob. 6MPCh. 14.1 - Prob. 7MPCh. 14.1 - Prob. 1EDCh. 14.1 - Prob. 1ECh. 14.1 - Prob. 2E
Ch. 14.1 - Prob. 3ECh. 14.1 - Prob. 4ECh. 14.1 - Prob. 5ECh. 14.1 - Prob. 6ECh. 14.1 - Prob. 7ECh. 14.1 - Prob. 8ECh. 14.1 - Prob. 9ECh. 14.1 - Prob. 10ECh. 14.1 - In Problems 9–16, find the indicated values of the...Ch. 14.1 - Prob. 12ECh. 14.1 - In Problems 9–16, find the indicated values of the...Ch. 14.1 - Prob. 14ECh. 14.1 - In Problems 9–16, find the indicated values of the...Ch. 14.1 - Prob. 16ECh. 14.1 - Prob. 17ECh. 14.1 - Prob. 18ECh. 14.1 - In Problems 17–20, find the indicated values...Ch. 14.1 - In Problems 17–20, find the indicated values...Ch. 14.1 - Prob. 21ECh. 14.1 - Prob. 22ECh. 14.1 - In Problems 21–30, find the indicated value of the...Ch. 14.1 - Prob. 24ECh. 14.1 - Prob. 25ECh. 14.1 - Prob. 26ECh. 14.1 - In Problems 21–30, find the indicated value of the...Ch. 14.1 - Prob. 28ECh. 14.1 - Prob. 29ECh. 14.1 - Prob. 30ECh. 14.1 - In Problems 31–36, find the indicated function f...Ch. 14.1 - Prob. 32ECh. 14.1 - Prob. 33ECh. 14.1 - Prob. 34ECh. 14.1 - In Problems 31–36, find the indicated function f...Ch. 14.1 - Prob. 36ECh. 14.1 - Prob. 37ECh. 14.1 - Prob. 38ECh. 14.1 - 39. Find a formula for the function C(n, w) of two...Ch. 14.1 - 40. Find a formula for the function N(p, r) of two...Ch. 14.1 - Prob. 41ECh. 14.1 - Prob. 42ECh. 14.1 - Prob. 43ECh. 14.1 - Prob. 44ECh. 14.1 - Prob. 45ECh. 14.1 - Prob. 46ECh. 14.1 - 47. Let F(x, y) = 2x + 3y − 6. Find all values of...Ch. 14.1 - 48. Let F(x, y) = 5x − 4y + 12. Find all values of...Ch. 14.1 - 49. Let F(x, y) = 2xy + 3x − 4y − 1. Find all...Ch. 14.1 - 50. Let F(x, y) = xy + 2x2 + y2 − 25. Find all...Ch. 14.1 - Prob. 51ECh. 14.1 - Prob. 52ECh. 14.1 - Prob. 53ECh. 14.1 - Prob. 54ECh. 14.1 - Prob. 55ECh. 14.1 - Prob. 56ECh. 14.1 - Prob. 57ECh. 14.1 - Prob. 58ECh. 14.1 - Prob. 59ECh. 14.1 - Prob. 60ECh. 14.1 - Prob. 61ECh. 14.1 - Prob. 62ECh. 14.1 - Prob. 63ECh. 14.1 - Prob. 64ECh. 14.1 - 65. Cost function. A small manufacturing company...Ch. 14.1 - Prob. 66ECh. 14.1 - 67. Revenue function. A supermarket sells two...Ch. 14.1 - 68. Revenue, cost, and profit functions. A company...Ch. 14.1 - Prob. 69ECh. 14.1 - Prob. 70ECh. 14.1 - Prob. 71ECh. 14.1 - 72. Package design. The packaging department in a...Ch. 14.1 - Prob. 73ECh. 14.1 - Prob. 74ECh. 14.1 - Prob. 75ECh. 14.1 - Prob. 76ECh. 14.1 - Prob. 77ECh. 14.1 - Prob. 78ECh. 14.2 - Prob. 1MPCh. 14.2 - Prob. 2MPCh. 14.2 - Prob. 3MPCh. 14.2 - Prob. 4MPCh. 14.2 - Prob. 5MPCh. 14.2 - Prob. 1ECh. 14.2 - Prob. 2ECh. 14.2 - Prob. 3ECh. 14.2 - Prob. 4ECh. 14.2 - Prob. 5ECh. 14.2 - Prob. 6ECh. 14.2 - In Problems 1–16, find the indicated derivative....Ch. 14.2 - Prob. 8ECh. 14.2 - Prob. 9ECh. 14.2 - Prob. 10ECh. 14.2 - Prob. 11ECh. 14.2 - Prob. 12ECh. 14.2 - Prob. 13ECh. 14.2 - Prob. 14ECh. 14.2 - Prob. 15ECh. 14.2 - Prob. 16ECh. 14.2 - In Problems 17–24, find the indicated first-order...Ch. 14.2 - In Problems 17–24, find the indicated first-order...Ch. 14.2 - Prob. 19ECh. 14.2 - Prob. 20ECh. 14.2 - In Problems 17–24, find the indicated first-order...Ch. 14.2 - Prob. 22ECh. 14.2 - Prob. 23ECh. 14.2 - Prob. 24ECh. 14.2 - In Problems 25–32, find the indicated value.
25.
Ch. 14.2 - In Problems 25–32, find the indicated value.
26.
Ch. 14.2 - Prob. 27ECh. 14.2 - In Problems 25–32, find the indicated value.
28.
Ch. 14.2 - In Problems 25–32, find the indicated value.
29.
Ch. 14.2 - Prob. 30ECh. 14.2 - In Problems 25–32, find the indicated value.
31.
Ch. 14.2 - Prob. 32ECh. 14.2 - In Problems 33–38, M(x, y) = 68 + 0.3x − 0.8y...Ch. 14.2 - In Problems 33–38, M(x, y) = 68 + 0.3x − 0.8y...Ch. 14.2 - In Problems 33–38, M(x, y) = 68 + 0.3x − 0.8y...Ch. 14.2 - In Problems 33–38, M(x, y) = 68 + 0.3x − 0.8y...Ch. 14.2 - In Problems 33−38, M(x, y) = 68 + 0.3x − 0.8y...Ch. 14.2 - Prob. 38ECh. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - Prob. 40ECh. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - Prob. 44ECh. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - Prob. 46ECh. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - Prob. 48ECh. 14.2 - In Problems 39–50, find the indicated second-order...Ch. 14.2 - Prob. 50ECh. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - ln Problems 51–60, find the indicated function or...Ch. 14.2 - In Problems 61–66, S(T, r) = 50(T − 40)(5 − r)...Ch. 14.2 - Prob. 62ECh. 14.2 - In Problems 61–66, S(T, r) = 50(T − 40)(5 − r)...Ch. 14.2 - Prob. 64ECh. 14.2 - Prob. 65ECh. 14.2 - Prob. 66ECh. 14.2 - Prob. 67ECh. 14.2 - Prob. 68ECh. 14.2 - In Problems 69–74, find fxx(x, y), fxy(x, y),...Ch. 14.2 - In Problems 69–74, find fxx(x, y), fxy(x, y),...Ch. 14.2 - In Problems 69–74, find fxx(x, y), fxy(x, y),...Ch. 14.2 - In Problems 69–74, find fxx(x, y), fxy(x, y),...Ch. 14.2 - In Problems 69–74, find fxx(x, y), fxy(x, y),...Ch. 14.2 - Prob. 74ECh. 14.2 - Prob. 75ECh. 14.2 - Prob. 76ECh. 14.2 - Prob. 77ECh. 14.2 - Prob. 78ECh. 14.2 - Prob. 79ECh. 14.2 - Prob. 80ECh. 14.2 - Prob. 81ECh. 14.2 - 82. Let f(x, y) = ex + 2ey + 3xy2 + 1.
Use...Ch. 14.2 - Prob. 83ECh. 14.2 - Prob. 84ECh. 14.2 - Prob. 85ECh. 14.2 - 86. Advertising and sales. A company spends $x per...Ch. 14.2 - Prob. 87ECh. 14.2 - 88. Revenue and profit functions. A company...Ch. 14.2 - Prob. 89ECh. 14.2 - Prob. 90ECh. 14.2 - Problems 91–94 refer to the following: If a...Ch. 14.2 - Problems 91–94 refer to the following: If a...Ch. 14.2 - Problems 91–94 refer to the following: If a...Ch. 14.2 - Prob. 94ECh. 14.2 - Prob. 95ECh. 14.2 - Prob. 96ECh. 14.2 - Prob. 97ECh. 14.2 - Prob. 98ECh. 14.3 - Prob. 1MPCh. 14.3 - Prob. 2MPCh. 14.3 - Prob. 3MPCh. 14.3 - Prob. 4MPCh. 14.3 - Prob. 1EDCh. 14.3 - Prob. 1ECh. 14.3 - Prob. 2ECh. 14.3 - Prob. 3ECh. 14.3 - Prob. 4ECh. 14.3 - Prob. 5ECh. 14.3 - Prob. 6ECh. 14.3 - Prob. 7ECh. 14.3 - Prob. 8ECh. 14.3 - A In Problems 9–16, find fx(x, y) and fy(x, y),...Ch. 14.3 - Prob. 10ECh. 14.3 - Prob. 11ECh. 14.3 - Prob. 12ECh. 14.3 - A In Problems 9–16, find fx(x, y) and fy(x, y),...Ch. 14.3 - Prob. 14ECh. 14.3 - A In Problems 9–16, find fx(x, y) and fy(x, y),...Ch. 14.3 - Prob. 16ECh. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - Prob. 18ECh. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - Prob. 20ECh. 14.3 - Prob. 21ECh. 14.3 - Prob. 22ECh. 14.3 - Prob. 23ECh. 14.3 - Prob. 24ECh. 14.3 - Prob. 25ECh. 14.3 - Prob. 26ECh. 14.3 - Prob. 27ECh. 14.3 - Prob. 28ECh. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - Prob. 31ECh. 14.3 - Prob. 32ECh. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - B In Problems 17–36, use Theorem 2 to find the...Ch. 14.3 - Prob. 35ECh. 14.3 - Prob. 36ECh. 14.3 - Prob. 37ECh. 14.3 - Prob. 38ECh. 14.3 - Prob. 39ECh. 14.3 - Prob. 40ECh. 14.3 - Prob. 41ECh. 14.3 - Prob. 42ECh. 14.3 - Prob. 43ECh. 14.3 - 44. Maximizing profit. A store sells two brands of...Ch. 14.3 - Prob. 45ECh. 14.3 - Prob. 46ECh. 14.3 - 47. Minimum material. A rectangular box with no...Ch. 14.3 - 48. Minimum material. A rectangular box with no...Ch. 14.3 - Prob. 49ECh. 14.3 - Prob. 50ECh. 14.4 - Matched Problem 1 Maximize f(x, y) = 25 − x2 – y2...Ch. 14.4 - Prob. 2MPCh. 14.4 - Matched Problem 3 A box of the same type as in...Ch. 14.4 - Prob. 1EDCh. 14.4 - Prob. 2EDCh. 14.4 - Prob. 1ECh. 14.4 - Prob. 2ECh. 14.4 - Prob. 3ECh. 14.4 - In Problems 1–6, maximize or minimize subject to...Ch. 14.4 - Prob. 5ECh. 14.4 - Prob. 6ECh. 14.4 - Prob. 7ECh. 14.4 - Prob. 8ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 11ECh. 14.4 - Prob. 12ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 14ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 16ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 18ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 21ECh. 14.4 - Prob. 22ECh. 14.4 - Prob. 23ECh. 14.4 - Use the method of Lagrange multipliers in Problems...Ch. 14.4 - Prob. 25ECh. 14.4 - Prob. 26ECh. 14.4 - Prob. 27ECh. 14.4 - Prob. 28ECh. 14.4 - Prob. 29ECh. 14.4 - Prob. 30ECh. 14.4 - 31. Budgeting for least cost. A manufacturing...Ch. 14.4 - 32. Budgeting for maximum production. A...Ch. 14.4 - 33. Productivity. A consulting firm for a...Ch. 14.4 - Prob. 34ECh. 14.4 - 35. Maximum volume. A rectangular box with no top...Ch. 14.4 - Prob. 36ECh. 14.4 - Prob. 37ECh. 14.4 - Prob. 38ECh. 14.5 - Prob. 1MPCh. 14.5 - Prob. 2MPCh. 14.5 - Prob. 1EDCh. 14.5 - Prob. 2EDCh. 14.5 - Prob. 1ECh. 14.5 - Prob. 2ECh. 14.5 - Prob. 3ECh. 14.5 - Prob. 4ECh. 14.5 - Prob. 5ECh. 14.5 - Prob. 6ECh. 14.5 - Prob. 7ECh. 14.5 - Prob. 8ECh. 14.5 - Prob. 9ECh. 14.5 - Prob. 10ECh. 14.5 - Prob. 11ECh. 14.5 - Prob. 12ECh. 14.5 - Prob. 13ECh. 14.5 - Prob. 14ECh. 14.5 - Prob. 15ECh. 14.5 - Prob. 16ECh. 14.5 - Prob. 17ECh. 14.5 - Prob. 18ECh. 14.5 - Prob. 19ECh. 14.5 - Prob. 20ECh. 14.5 - Prob. 21ECh. 14.5 - Prob. 22ECh. 14.5 - Prob. 23ECh. 14.5 - Prob. 24ECh. 14.5 - Prob. 25ECh. 14.5 - Prob. 26ECh. 14.5 - 27. (A) Find the linear and quadratic functions...Ch. 14.5 - Prob. 28ECh. 14.5 - Prob. 29ECh. 14.5 - Prob. 30ECh. 14.5 - Prob. 31ECh. 14.5 - Prob. 32ECh. 14.5 - Prob. 33ECh. 14.5 - Prob. 34ECh. 14.5 - Prob. 35ECh. 14.5 - Prob. 36ECh. 14.5 - Prob. 37ECh. 14.5 - Prob. 38ECh. 14.6 - Prob. 1MPCh. 14.6 - Prob. 2MPCh. 14.6 - Prob. 3MPCh. 14.6 - Prob. 4MPCh. 14.6 - Prob. 5MPCh. 14.6 - Prob. 6MPCh. 14.6 - Prob. 7MPCh. 14.6 - Prob. 1EDCh. 14.6 - Prob. 1ECh. 14.6 - Prob. 2ECh. 14.6 - Prob. 3ECh. 14.6 - Prob. 4ECh. 14.6 - Prob. 5ECh. 14.6 - Prob. 6ECh. 14.6 - Prob. 7ECh. 14.6 - Prob. 8ECh. 14.6 - Prob. 9ECh. 14.6 - Prob. 10ECh. 14.6 - Prob. 11ECh. 14.6 - Prob. 12ECh. 14.6 - Prob. 13ECh. 14.6 - Prob. 14ECh. 14.6 - Prob. 15ECh. 14.6 - Prob. 16ECh. 14.6 - Prob. 17ECh. 14.6 - Prob. 18ECh. 14.6 - Prob. 19ECh. 14.6 - Prob. 20ECh. 14.6 - Prob. 21ECh. 14.6 - Prob. 22ECh. 14.6 - Prob. 23ECh. 14.6 - Prob. 24ECh. 14.6 - Prob. 25ECh. 14.6 - Prob. 26ECh. 14.6 - Prob. 27ECh. 14.6 - Prob. 28ECh. 14.6 - Prob. 29ECh. 14.6 - Prob. 30ECh. 14.6 - Prob. 31ECh. 14.6 - Prob. 32ECh. 14.6 - Prob. 33ECh. 14.6 - Prob. 34ECh. 14.6 - Prob. 35ECh. 14.6 - Prob. 36ECh. 14.6 - Prob. 37ECh. 14.6 - Prob. 38ECh. 14.6 - Prob. 39ECh. 14.6 - Prob. 40ECh. 14.6 - Prob. 41ECh. 14.6 - Prob. 42ECh. 14.6 - Prob. 43ECh. 14.6 - Prob. 44ECh. 14.6 - Prob. 45ECh. 14.6 - Prob. 46ECh. 14.6 - Prob. 47ECh. 14.6 - Prob. 48ECh. 14.6 - Prob. 49ECh. 14.6 - Prob. 50ECh. 14.6 - Prob. 51ECh. 14.6 - Prob. 52ECh. 14.6 - Prob. 53ECh. 14.6 - Prob. 54ECh. 14.6 - Prob. 55ECh. 14.6 - Prob. 56ECh. 14.6 - Prob. 57ECh. 14.6 - Prob. 58ECh. 14.7 - Prob. 1MPCh. 14.7 - Prob. 2MPCh. 14.7 - Prob. 3MPCh. 14.7 - Prob. 4MPCh. 14.7 - Prob. 5MPCh. 14.7 - Prob. 6MPCh. 14.7 - Prob. 7MPCh. 14.7 - Prob. 1EDCh. 14.7 - Prob. 2EDCh. 14.7 - Prob. 1ECh. 14.7 - Prob. 2ECh. 14.7 - Prob. 3ECh. 14.7 - Prob. 4ECh. 14.7 - Prob. 5ECh. 14.7 - Prob. 6ECh. 14.7 - Prob. 7ECh. 14.7 - Prob. 8ECh. 14.7 - Prob. 9ECh. 14.7 - Prob. 10ECh. 14.7 - Prob. 11ECh. 14.7 - Prob. 12ECh. 14.7 - Prob. 13ECh. 14.7 - Prob. 14ECh. 14.7 - Prob. 15ECh. 14.7 - Prob. 16ECh. 14.7 - Prob. 17ECh. 14.7 - Prob. 18ECh. 14.7 - Prob. 19ECh. 14.7 - Prob. 20ECh. 14.7 - Prob. 21ECh. 14.7 - Prob. 22ECh. 14.7 - Prob. 23ECh. 14.7 - Prob. 24ECh. 14.7 - Prob. 25ECh. 14.7 - Prob. 26ECh. 14.7 - Prob. 27ECh. 14.7 - Prob. 28ECh. 14.7 - Prob. 29ECh. 14.7 - Prob. 30ECh. 14.7 - Prob. 31ECh. 14.7 - Prob. 32ECh. 14.7 - Prob. 33ECh. 14.7 - Prob. 34ECh. 14.7 - Prob. 35ECh. 14.7 - Prob. 36ECh. 14.7 - Prob. 37ECh. 14.7 - Prob. 38ECh. 14.7 - Prob. 39ECh. 14.7 - Prob. 40ECh. 14.7 - Prob. 41ECh. 14.7 - Prob. 42ECh. 14.7 - Prob. 43ECh. 14.7 - Prob. 44ECh. 14.7 - Prob. 45ECh. 14.7 - Prob. 46ECh. 14.7 - Prob. 47ECh. 14.7 - Prob. 48ECh. 14.7 - Prob. 49ECh. 14.7 - Prob. 50ECh. 14.7 - Prob. 51ECh. 14.7 - Prob. 52ECh. 14.7 - Prob. 53ECh. 14.7 - Prob. 54ECh. 14.7 - Prob. 55ECh. 14.7 - Prob. 56ECh. 14.7 - Prob. 57ECh. 14.7 - Prob. 58ECh. 14 - Prob. 1RECh. 14 - Prob. 2RECh. 14 - Prob. 3RECh. 14 - Prob. 4RECh. 14 - Prob. 5RECh. 14 - Prob. 6RECh. 14 - Prob. 7RECh. 14 - Prob. 8RECh. 14 - Prob. 9RECh. 14 - Prob. 10RECh. 14 - Prob. 11RECh. 14 - Prob. 12RECh. 14 - Prob. 13RECh. 14 - Prob. 14RECh. 14 - Prob. 15RECh. 14 - Prob. 16RECh. 14 - Prob. 17RECh. 14 - Prob. 18RECh. 14 - 19. Find the average value of f(x, y) = x2/3y2/3...Ch. 14 - Prob. 20RECh. 14 - Prob. 21RECh. 14 - Prob. 22RECh. 14 - Prob. 23RECh. 14 - Prob. 24RECh. 14 - Prob. 25RECh. 14 - Prob. 26RECh. 14 - Prob. 27RECh. 14 - Prob. 28RECh. 14 - Prob. 29RECh. 14 - Prob. 30RECh. 14 - Prob. 31RECh. 14 - Prob. 32RECh. 14 - Prob. 33RECh. 14 - Prob. 34RE
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