
Mathematics: A Practical Odyssey
8th Edition
ISBN: 9781305104174
Author: David B. Johnson, Thomas A. Mowry
Publisher: Cengage Learning
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Textbook Question
Chapter 5.CR, Problem 30CR
Find and interpret the present value of the annuity in Exercise 29.
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7. E(X(3X+4)).
8. Var(X).
9. Var (6-3X).
10. Find the m.g.f of the random variable X
Chapter 5 Solutions
Mathematics: A Practical Odyssey
Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days. a.July1...Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...
Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 1520, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercise 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - If you borrow 1,000 at 8.5 interest and the loan...Ch. 5.1 - If you borrow 1,700 at 5.25 interest and the loan...Ch. 5.1 - The Square Wheel Bicycle store has found that they...Ch. 5.1 - Ernie Bilko has a business idea. He wants to rent...Ch. 5.1 - Alice Cohen buys a two-year-old Honda from...Ch. 5.1 - Seven Lundgren buys a three-year-old Chevrolet...Ch. 5.1 - Ray and Teresa Martinez buy a used car from...Ch. 5.1 - Dick Davis buys a five-year-old used Toyota from...Ch. 5.1 - In exercise 3536, use the following information....Ch. 5.1 - In exercise 3536, use the following information....Ch. 5.1 - The activity on Stuart Ratners Visa account for...Ch. 5.1 - The activity on Marny Zells MasterCard account for...Ch. 5.1 - The activity on Denise Hellings Sears account for...Ch. 5.1 - The activity on Charlie Wilsons Visa account for...Ch. 5.1 - Prob. 41ECh. 5.1 - George and Peggy Fulwider bought a house from...Ch. 5.1 - Prob. 43ECh. 5.1 - Sam Needham bought a house from Sheri Silva for...Ch. 5.1 - You have maxed out your credit card and owe 5,000....Ch. 5.1 - You have maxed out your credit card and owe 5,500....Ch. 5.1 - You have maxed out your credit card and owe 5,000....Ch. 5.1 - 46. You have maxed out your credit card and owe...Ch. 5.1 - Could Exercise 512 all be done with the Simple...Ch. 5.1 - Prob. 50ECh. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In the Exercises21 and 22, find and interpret the...Ch. 5.2 - In the Exercises 21 and 22, find and interpret the...Ch. 5.2 - In the Exercise 2326, a find and b interpret the...Ch. 5.2 - In the Exercise 24, find and interpret the present...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - 10,000 is deposited in an account in which it...Ch. 5.2 - 20,000 is deposited in an account in which it...Ch. 5.2 - 15,000 is deposited in an account in which it...Ch. 5.2 - 30,000 is deposited in an account in which it...Ch. 5.2 - Donald Trumptobe decided to build his own dynasty....Ch. 5.2 - How much would Donald Trumptobe in Exercise 31...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - When Jason Levy was born, his grandparents...Ch. 5.2 - When Alana Cooper was born, her grandparents...Ch. 5.2 - For Exercises 3740, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Prob. 49ECh. 5.2 - Prob. 50ECh. 5.2 - Prob. 51ECh. 5.2 - Prob. 52ECh. 5.2 - Prob. 53ECh. 5.2 - Prob. 54ECh. 5.2 - Prob. 55ECh. 5.2 - Prob. 56ECh. 5.2 - Prob. 57ECh. 5.2 - Prob. 58ECh. 5.2 - Prob. 59ECh. 5.2 - Exercises 5762 refer to Benjamin Franklins gift,...Ch. 5.2 - Prob. 61ECh. 5.2 - Prob. 62ECh. 5.2 - Explain how compound interest is based on simple...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Which should be higher: the annual yield of a...Ch. 5.2 - Why should the annual yield of a given compound...Ch. 5.2 - Explain the difference between simple interest and...Ch. 5.2 - If money earns compound interest, why must the...Ch. 5.2 - Prob. 70ECh. 5.2 - Prob. 71ECh. 5.2 - Prob. 72ECh. 5.2 - Prob. 73ECh. 5.2 - Prob. 75ECh. 5.2 - If 1,000 is deposited into an account that earns 5...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - If you invest 10,000 at 8.125 interest compounded...Ch. 5.2 - If you invest 15,000 at 938 interest compounded...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - On September 8, Bert Sarkis started an annuity. He...Ch. 5.3 - On August 19, Rachael Westlake started an annuity....Ch. 5.3 - On September 23, Ginny Homer started an annuity....Ch. 5.3 - On September 19, Lynn Alright started an annuity....Ch. 5.3 - Pat Gilbert recently set up a TDA to save for her...Ch. 5.3 - Dick recently set up a TDA to save for his...Ch. 5.3 - Sam Whitney recently set up a TDA to save for his...Ch. 5.3 - Art Dull recently set up a TDA to save for his...Ch. 5.3 - Prob. 13ECh. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - Prob. 16ECh. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In exercises 13-18, a find and b interpret the...Ch. 5.3 - In Exercises 19-24, find the monthly payment that...Ch. 5.3 - In Exercises 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - In Exercise 19-24, find the monthly payment that...Ch. 5.3 - Mr. and Mrs. Gonzales set up a TDA to save for...Ch. 5.3 - Mr. and Mrs. Jackson set up a TDA to save for...Ch. 5.3 - Jeanne and Harold Kimura want to set up a TDA that...Ch. 5.3 - Susan and Bill Stamp want to set up a TDA that...Ch. 5.3 - In June 2004, Susan set up a TDA to save for...Ch. 5.3 - In June 2007, Manuel set up a TDA to save for...Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - In Exercises 31-34, use the following information....Ch. 5.3 - In Exercises 3134, use the following information....Ch. 5.3 - Toni Torres wants to save 1,200 in the next two...Ch. 5.3 - Fred and Melissa Furths daughter Sally will be a...Ch. 5.3 - Anne Geyer buys some land in Utah. She agrees to...Ch. 5.3 - Chrissy Fields buys some land in Oregon. She...Ch. 5.3 - Develop a new formula for the present value of an...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Use the formula developed in Exercise 39 to find...Ch. 5.3 - Prob. 44ECh. 5.3 - Prob. 45ECh. 5.3 - Prob. 46ECh. 5.3 - Prob. 47ECh. 5.3 - Prob. 48ECh. 5.3 - Prob. 49ECh. 5.3 - For those who have completed Section 1.1: Is the...Ch. 5.3 - Answer the following questions using complete...Ch. 5.3 - Answer the following questions using complete...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - In Exercises1-6, find a the monthly payment and b...Ch. 5.4 - Wade Ellis buys a new car for 16,113.82. He puts...Ch. 5.4 - Guy dePrimo buys a new car for 9,837.91. He puts...Ch. 5.4 - Chris Burditt bought a house for 212,500. He put...Ch. 5.4 - Shirley Trembley bought a house for 187,600. She...Ch. 5.4 - Dennis Lamenti wants to buy a new car that costs...Ch. 5.4 - Barry Wood wants to buy a used car that costs...Ch. 5.4 - Investigate the effect of the term on simple...Ch. 5.4 - Investigate the effect of the interest rate on...Ch. 5.4 - Investigate the effect of the interest rate on...Ch. 5.4 - Some lenders offer fifteen-year home loans....Ch. 5.4 - Some lenders offer loans with biweekly payments...Ch. 5.4 - Some lenders are now offering loans with biweekly...Ch. 5.4 - Verify a the monthly payments and b the interest...Ch. 5.4 - The home loan in Exercise 19 presented two...Ch. 5.4 - Pool-N-Patio World needs to borrow 75,000 to...Ch. 5.4 - Slopes R Us needs to borrow 120,000 to increase...Ch. 5.4 - The owner of Blue Bottle Coffee is opening a...Ch. 5.4 - The Green Growery Nursery needs to borrow 48,000...Ch. 5.4 - For Exercises 2528, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - For Exercises 25-28, note the following...Ch. 5.4 - Wade Ellis buys a car for 16,113.82. He puts 10...Ch. 5.4 - Guy de Primo buys a car for 9837.91. He puts 10...Ch. 5.4 - Gary Kersting buys a house for 212,500. He puts 20...Ch. 5.4 - Shirley Trembley buys a house for 187,600. She...Ch. 5.4 - Harry and Natalie Wolf have a three-year-old loan...Ch. 5.4 - Russ and Roz Rosow have a ten-year-old loan with...Ch. 5.4 - Michael and Lynn Sullivan have a ten-year-old loan...Ch. 5.4 - Charlie and Ellen Wilson have a...Ch. 5.4 - Ray and Helen Lee bought a house for 189,500. They...Ch. 5.4 - Jack and Laurie Worthington bought a house for...Ch. 5.4 - a. If the Lees in Exercise 37 save for their...Ch. 5.4 - a. If the Worthingtons in Exercise 38 save for...Ch. 5.4 - In July 2005, Tom and Betty bought a house for...Ch. 5.4 - In August 2004, Bonnie Martin bought a house for...Ch. 5.4 - Al-Noor Koorji bought a house for 189,000. He put...Ch. 5.4 - The Franklins bought a house for 265,000. They put...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - Prob. 47ECh. 5.4 - Prob. 48ECh. 5.4 - Prob. 49ECh. 5.4 - Prob. 50ECh. 5.4 - Prob. 51ECh. 5.4 - Prob. 52ECh. 5.4 - Prob. 53ECh. 5.4 - Prob. 54ECh. 5.4 - Prob. 55ECh. 5.4 - This is an exercise in buying a car. It involves...Ch. 5.4 - Trustworthy Savings offers a thirty-year...Ch. 5.4 - American Dream Savings Bank offers a thirty-year...Ch. 5.4 - Bank Two offers a thirty-year adjustable-rate...Ch. 5.4 - Prob. 60ECh. 5.4 - Prob. 61ECh. 5.4 - Prob. 62ECh. 5.4 - Prob. 63ECh. 5.4 - Prob. 64ECh. 5.4 - Prob. 65ECh. 5.4 - Prob. 66ECh. 5.4 - Prob. 67ECh. 5.4 - Prob. 68ECh. 5.4 - Prob. 69ECh. 5.4 - Prob. 70ECh. 5.4 - Prob. 71ECh. 5.4 - Prob. 72ECh. 5.5 - Prob. 1ECh. 5.5 - Prob. 2ECh. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - The Roths bought a house for 432,500. They paid...Ch. 5.5 - The Hoblets bought a house for 799,900. They paid...Ch. 5.5 - The Trivedis bought a house for 287,300. They paid...Ch. 5.5 - The Roschunis bought a house for 763,500. They...Ch. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Prob. 11ECh. 5.5 - Prob. 12ECh. 5.5 - Prob. 13ECh. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Prob. 19ECh. 5.6 - Cheryl Wilcox is planning for her retirement, so...Ch. 5.6 - Prob. 2ECh. 5.6 - Dean Gooch is planning for his retirement, so he...Ch. 5.6 - Holly Krech is planning for her retirement, so she...Ch. 5.6 - a. How large a monthly payment must Cheryl Wilcox...Ch. 5.6 - Prob. 6ECh. 5.6 - a. How large a monthly payment must Dean Gooch...Ch. 5.6 - a. How large a monthly payment must Holly Krech...Ch. 5.6 - Lily Chang is planning for her retirement, so she...Ch. 5.6 - Wally Brown is planning for his retirement, so he...Ch. 5.6 - Prob. 11ECh. 5.6 - Shelly Franks is planning for her retirement, so...Ch. 5.6 - In Exercises 13-16, use the Annual Payout Annuity...Ch. 5.6 - Prob. 14ECh. 5.6 - Prob. 15ECh. 5.6 - Prob. 16ECh. 5.6 - Bob Pirtle won 1 million in a state lottery. He...Ch. 5.6 - John-Paul Ramin won 2.3million in a state lottery....Ch. 5.6 - Prob. 19ECh. 5.6 - Prob. 20ECh. 5.CR - Find the interest earned by a deposit of 8,140 at...Ch. 5.CR - Find the interest earned by a deposit of 10,620 at...Ch. 5.CR - Prob. 3CRCh. 5.CR - Prob. 4CRCh. 5.CR - Prob. 5CRCh. 5.CR - Prob. 6CRCh. 5.CR - Prob. 7CRCh. 5.CR - Find the present value of a future value of 10,250...Ch. 5.CR - Prob. 9CRCh. 5.CR - Find the future value of a deposit of 7,250 at 514...Ch. 5.CR - Prob. 11CRCh. 5.CR - Prob. 12CRCh. 5.CR - Prob. 13CRCh. 5.CR - Prob. 14CRCh. 5.CR - Prob. 15CRCh. 5.CR - Prob. 16CRCh. 5.CR - Prob. 17CRCh. 5.CR - Prob. 18CRCh. 5.CR - Prob. 19CRCh. 5.CR - Prob. 20CRCh. 5.CR - Prob. 21CRCh. 5.CR - Prob. 22CRCh. 5.CR - The Square Wheel Bicycle store has found that they...Ch. 5.CR - Prob. 24CRCh. 5.CR - The activity on Sue Washburns MasterCard account...Ch. 5.CR - Prob. 26CRCh. 5.CR - Prob. 27CRCh. 5.CR - Prob. 28CRCh. 5.CR - You are 32, and you have just set up an ordinary...Ch. 5.CR - Find and interpret the present value of the...Ch. 5.CR - Prob. 31CRCh. 5.CR - Prob. 32CRCh. 5.CR - Prob. 33CRCh. 5.CR - Prob. 34CRCh. 5.CR - Prob. 35CRCh. 5.CR - Prob. 36CRCh. 5.CR - Prob. 37CRCh. 5.CR - Ben Suico buys a car for 13,487.31. He puts 10...Ch. 5.CR - Prob. 39CRCh. 5.CR - Prob. 40CRCh. 5.CR - Prob. 41CRCh. 5.CR - Fred Rodgers is planning for his retirement, so he...Ch. 5.CR - Prob. 43CRCh. 5.CR - Prob. 44CRCh. 5.CR - Prob. 45CRCh. 5.CR - Prob. 46CRCh. 5.CR - Prob. 47CRCh. 5.CR - Prob. 48CRCh. 5.CR - Prob. 49CR
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- For each of the time series, construct a line chart of the data and identify the characteristics of the time series (that is, random, stationary, trend, seasonal, or cyclical). Month Number (Thousands)Dec 1991 65.60Jan 1992 71.60Feb 1992 78.80Mar 1992 111.60Apr 1992 107.60May 1992 115.20Jun 1992 117.80Jul 1992 106.20Aug 1992 109.90Sep 1992 106.00Oct 1992 111.80Nov 1992 84.50Dec 1992 78.60Jan 1993 70.50Feb 1993 74.60Mar 1993 95.50Apr 1993 117.80May 1993 120.90Jun 1993 128.50Jul 1993 115.30Aug 1993 121.80Sep 1993 118.50Oct 1993 123.30Nov 1993 102.30Dec 1993 98.70Jan 1994 76.20Feb 1994 83.50Mar 1994 134.30Apr 1994 137.60May 1994 148.80Jun 1994 136.40Jul 1994 127.80Aug 1994 139.80Sep 1994 130.10Oct 1994 130.60Nov 1994 113.40Dec 1994 98.50Jan 1995 84.50Feb 1995 81.60Mar 1995 103.80Apr 1995 116.90May 1995 130.50Jun 1995 123.40Jul 1995 129.10Aug 1995…arrow_forwardFor each of the time series, construct a line chart of the data and identify the characteristics of the time series (that is, random, stationary, trend, seasonal, or cyclical). Year Month Units1 Nov 42,1611 Dec 44,1862 Jan 42,2272 Feb 45,4222 Mar 54,0752 Apr 50,9262 May 53,5722 Jun 54,9202 Jul 54,4492 Aug 56,0792 Sep 52,1772 Oct 50,0872 Nov 48,5132 Dec 49,2783 Jan 48,1343 Feb 54,8873 Mar 61,0643 Apr 53,3503 May 59,4673 Jun 59,3703 Jul 55,0883 Aug 59,3493 Sep 54,4723 Oct 53,164arrow_forwardConsider the table of values below. x y 2 64 3 48 4 36 5 27 Fill in the right side of the equation y= with an expression that makes each ordered pari (x,y) in the table a solution to the equation.arrow_forward
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