A Survey of Mathematics with Applications (10th Edition) - Standalone book
10th Edition
ISBN: 9780134466378
Author: Angel
Publisher: PEARSON
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Chapter 10.3, Problem 42E
a.
To determine
To compute: The total amount and the interest.
b.
To determine
To compute: The total amount and the interest.
c.
To determine
To compute: The total amount and the interest.
d.
To determine
To explain: Whether the interest is predictable based on the rate of interest.
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(c) Because logistic regression predicts probabilities of outcomes, observations used to build a logistic regression model need not be independent.
A. false: all observations must be independent
B. true
C. false: only observations with the same outcome need to be independent
I ANSWERED: A. false: all observations must be independent.
(This was marked wrong but I have no idea why. Isn't this a basic assumption of logistic regression)
Business discuss
Spam filters are built on principles similar to those used in logistic regression. We fit a probability that each message is spam or not spam. We have several variables for each email. Here are a few: to_multiple=1 if there are multiple recipients, winner=1 if the word 'winner' appears in the subject line, format=1 if the email is poorly formatted, re_subj=1 if "re" appears in the subject line. A logistic model was fit to a dataset with the following output:
Estimate
SE
Z
Pr(>|Z|)
(Intercept)
-0.8161
0.086
-9.4895
0
to_multiple
-2.5651
0.3052
-8.4047
0
winner
1.5801
0.3156
5.0067
0
format
-0.1528
0.1136
-1.3451
0.1786
re_subj
-2.8401
0.363
-7.824
0
(a) Write down the model using the coefficients from the model fit.log_odds(spam) = -0.8161 + -2.5651 + to_multiple + 1.5801 winner + -0.1528 format + -2.8401 re_subj(b) Suppose we have an observation where to_multiple=0, winner=1, format=0, and re_subj=0. What is the predicted probability that this message is spam?…
Chapter 10 Solutions
A Survey of Mathematics with Applications (10th Edition) - Standalone book
Ch. 10.1 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.1 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.1 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.1 - Prob. 4ECh. 10.1 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.1 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.1 - In Exercises 7-14, change the number to a percent....Ch. 10.1 - In Exercises 7-14, change the number to a percent....Ch. 10.1 - In Exercises 7-14, change the number to a percent....Ch. 10.1 - In Exercises 7-14, change the number to a percent....
Ch. 10.1 - Practice the Skills In Exercises 7-14, change the...Ch. 10.1 - Practice the Skills In Exercises 7-14, change the...Ch. 10.1 - Practice the Skills In Exercises 7-14, change the...Ch. 10.1 - Practice the Skills In Exercises 7-14, change the...Ch. 10.1 - In Exercises 15-22, change the number given as a...Ch. 10.1 - Prob. 16ECh. 10.1 - In Exercises 15-22, change the number given as a...Ch. 10.1 - Prob. 18ECh. 10.1 - In Exercises 15-22, change the number given as a...Ch. 10.1 - Prob. 20ECh. 10.1 - In Exercises 15-22, change the number given as a...Ch. 10.1 - Prob. 22ECh. 10.1 - For Exercises 23-26, where appropriate, round...Ch. 10.1 - For Exercises 23-26, where appropriate, round...Ch. 10.1 - For Exercises 23-26, where appropriate, round...Ch. 10.1 - For Exercises 23-26, where appropriate, round...Ch. 10.1 - DVD Collection In Exercises 27-30, use the circle...Ch. 10.1 - DVD Collection In Exercises 27-30, use the circle...Ch. 10.1 - DVD Collection In Exercises 27-30, use the circle...Ch. 10.1 - DVD Collection In Exercises 27-30, use the circle...Ch. 10.1 - Seawater Composition In Exercises 31-34, use the...Ch. 10.1 - Seawater Composition In Exercises 31-34, use the...Ch. 10.1 - Seawater Composition In Exercises 31-34, use the...Ch. 10.1 - Prob. 34ECh. 10.1 - Music Preferences In Exercises 35-38, use the...Ch. 10.1 - Prob. 36ECh. 10.1 - Music Preferences In Exercises 35-38, use the...Ch. 10.1 - Prob. 38ECh. 10.1 - Russian Population The population of Russia has...Ch. 10.1 - U.S. Population Unlike the population of Russia...Ch. 10.1 - U.S. Land Area The graph at the top of the next...Ch. 10.1 - Presidential Salary The following graph shows the...Ch. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - Prob. 44ECh. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - Prob. 48ECh. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - Prob. 50ECh. 10.1 - In Exercises 43-54, determine the answer to the...Ch. 10.1 - Prob. 52ECh. 10.1 - Prob. 53ECh. 10.1 - Prob. 54ECh. 10.1 - Tax and Tip According to the Original Tipping...Ch. 10.1 - Tax and Tip The Brants dinner (see Exercise 55)...Ch. 10.1 - Percentage of As In a mathematics class, eighteen...Ch. 10.1 - Employee Increase The Fastlock Company hired 57...Ch. 10.1 - Salary Increase Mr. Browns present salary is...Ch. 10.1 - Prob. 60ECh. 10.1 - Vacuum Cleaner Sales A Kirby vacuum cleaner...Ch. 10.1 - Prob. 62ECh. 10.1 - Television Sale The regular price of a Phillips...Ch. 10.1 - Weight Loss On January 1, Juan weighed 235 pounds...Ch. 10.1 - Soccer Ball Markup The cost of a soccer ball to...Ch. 10.1 - Prob. 66ECh. 10.1 - Reselling a Car Quincy purchased a used car for...Ch. 10.1 - Prob. 68ECh. 10.1 - Challenge Problems/Group Activities 69. Comparing...Ch. 10.1 - Prob. 70ECh. 10.1 - Prob. 71ECh. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 1- 8, fill in the blanks with an...Ch. 10.2 - In Exercises 9-18, determine the simple interest....Ch. 10.2 - In Exercises 9-18, determine the simple interest....Ch. 10.2 - In Exercises 9-18, determine the simple interest....Ch. 10.2 - In Exercises 9-18, determine the simple interest....Ch. 10.2 - In Exercises 9-18, determine the simple interest....Ch. 10.2 - Practice the Skills In Exercises 9-18, determine...Ch. 10.2 - Practice the Skills In Exercises 9-18, determine...Ch. 10.2 - Practice the Skills In Exercises 9-18, determine...Ch. 10.2 - Practice the Skills In Exercises 9-18, determine...Ch. 10.2 - Prob. 18ECh. 10.2 - In Exercises 19-24, use the simple interest...Ch. 10.2 - Prob. 20ECh. 10.2 - In Exercises 19-24, use the simple interest...Ch. 10.2 - Prob. 22ECh. 10.2 - In Exercises 19-24, use the simple interest...Ch. 10.2 - Prob. 24ECh. 10.2 - Small Business Administration Loan Joshua uses the...Ch. 10.2 - Problem Solving In Exercises 25-32, if necessary...Ch. 10.2 - Bank Personal Note Karen borrowed 3500 from a bank...Ch. 10.2 - Prob. 28ECh. 10.2 - Problem Solving In Exercises 25-32, if necessary...Ch. 10.2 - Prob. 30ECh. 10.2 - Pawning a Bicycle Elisa needs money to repair her...Ch. 10.2 - Prob. 32ECh. 10.2 - In Exercises 33-38, determine the exact time from...Ch. 10.2 - Prob. 34ECh. 10.2 - In Exercises 33-38, determine the exact time from...Ch. 10.2 - Prob. 36ECh. 10.2 - In Exercises 33-38, determine the exact time from...Ch. 10.2 - Prob. 38ECh. 10.2 - In Exercises 39-42, determine the due date of the...Ch. 10.2 - Prob. 40ECh. 10.2 - In Exercises 39-42, determine the due date of the...Ch. 10.2 - Prob. 42ECh. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - Prob. 44ECh. 10.2 - Prob. 45ECh. 10.2 - Prob. 46ECh. 10.2 - Prob. 47ECh. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - In Exercises 43-52, a partial payment is made on...Ch. 10.2 - Company Loan On March 1, the Zwick Balloon Company...Ch. 10.2 - Flag Company Loan On April 3, the Meats Flag...Ch. 10.2 - Challenge Problems/Group Activities 55. U.S....Ch. 10.2 - Challenge Problems/Group Activities 56. U.S....Ch. 10.2 - Tax Preparation Loan Many tax preparation...Ch. 10.2 - Prime Interest Rate Nick borrowed 600 for 3...Ch. 10.2 - Bankers Rule The Bankers rule considers a year to...Ch. 10.2 - Columbus Investment On August 3, 1492, Christopher...Ch. 10.3 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.3 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.3 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.3 - Prob. 4ECh. 10.3 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.3 - Warm Up Exercises In Exercises 1-6, fill in the...Ch. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Prob. 8ECh. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Practice the Skills In Exercises 7-14, use the...Ch. 10.3 - Prob. 14ECh. 10.3 - In Exercises 15-18, use the present value formula...Ch. 10.3 - In Exercises 15-18, use the present value formula...Ch. 10.3 - In Exercises 15-18, use the present value formula...Ch. 10.3 - In Exercises 15-18, use the present value formula...Ch. 10.3 - Inheritance Marcus receives an inheritance of...Ch. 10.3 - Contest Winnings Mary wins 2500 in a singing...Ch. 10.3 - Class Trip To help pay for a class trip at the end...Ch. 10.3 - Investing Prize Winnings Marcella wins third prize...Ch. 10.3 - House Down Payment Karen invested 10,000 in a...Ch. 10.3 - Investing a Signing Bonus Joe just started a new...Ch. 10.3 - Personal Loan Brent borrowed 3000 from his brother...Ch. 10.3 - Prob. 26ECh. 10.3 - Investing Gifts and Scholarships Cliff just...Ch. 10.3 - Prob. 28ECh. 10.3 - Determining Effective Annual Yield Determine the...Ch. 10.3 - Prob. 30ECh. 10.3 - Money Market Choice Prospero Bank advertises a...Ch. 10.3 - Prob. 32ECh. 10.3 - Verifying APY Suppose you saw a sign at your local...Ch. 10.3 - Prob. 34ECh. 10.3 - Saving for a Tractor Jim wants to invest some...Ch. 10.3 - Prob. 36ECh. 10.3 - A New Car Adam wishes to have 20,000 available in...Ch. 10.3 - Prob. 38ECh. 10.3 - A New Water Tower The village of Kieler recently...Ch. 10.3 - Prob. 40ECh. 10.3 - Doubling the Rate Determine the total amount and...Ch. 10.3 - Prob. 42ECh. 10.3 - Interest Comparison You are given a choice of...Ch. 10.3 - Prob. 44ECh. 10.3 - Determining the Interest Rate For a total...Ch. 10.3 - Prob. 46ECh. 10.3 - Prob. 47ECh. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 1-6, fill in the blanks with an...Ch. 10.4 - In Exercises 7-10, determine the monthly payment...Ch. 10.4 - In Exercises 7-10, determine the monthly payment...Ch. 10.4 - In Exercises 7-10, determine the monthly payment...Ch. 10.4 - In Exercises 7-10, determine the monthly payment...Ch. 10.4 - Business Loan Brenda is a beautician who is...Ch. 10.4 - A New Air Conditioner Juan paid 7000 for a new...Ch. 10.4 - Financing a New Roof Jaime needs a new roof on her...Ch. 10.4 - Financing a Computer llga purchased a new computer...Ch. 10.4 - Boat Loan Keenan is purchasing a new boat that...Ch. 10.4 - Financing Furniture Mr. and Mrs. Chan want to buy...Ch. 10.4 - Early Repayment of a Loan Ray took out a 60-month...Ch. 10.4 - Early Repayment of a Loan Jeslie Ann has a...Ch. 10.4 - Early Repayment of a Loan Nina buys a new sport...Ch. 10.4 - Early Repayment of a Loan Jeff buys a new...Ch. 10.4 - Credit Card Minimum Monthly Payment Shiings credit...Ch. 10.4 - Credit Card Minimum Monthly Payment Evelyns credit...Ch. 10.4 - Business Expenses Kevins credit card company...Ch. 10.4 - Prob. 24ECh. 10.4 - Previous Balance Method On the November 4 billing...Ch. 10.4 - Previous Balance Method On September 5, the...Ch. 10.4 - Previous Balance Method On February 3, the billing...Ch. 10.4 - Prob. 28ECh. 10.4 - Average Daily Balance Method The balance on the...Ch. 10.4 - Prob. 30ECh. 10.4 - Average Daily Balance Method Refer to Exercise 27....Ch. 10.4 - Prob. 32ECh. 10.4 - A Cash Advance John borrowed 875 against his...Ch. 10.4 - Prob. 34ECh. 10.4 - Comparing Loan Sources Grisha needs to borrow 1000...Ch. 10.4 - Prob. 36ECh. 10.4 - Prob. 37ECh. 10.4 - Prob. 38ECh. 10.4 - Prob. 39ECh. 10.4 - Repayment Comparisons Christine took a world...Ch. 10.5 - In Exercises 1-6, fill in the blanks with an...Ch. 10.5 - In Exercises 1-6, fill in the blanks with an...Ch. 10.5 - In Exercises 1-6, fill in the blanks with an...Ch. 10.5 - Prob. 4ECh. 10.5 - In Exercises 1-6, fill in the blanks with an...Ch. 10.5 - In Exercises 1-6, fill in the blanks with an...Ch. 10.5 - In Exercises 7-10, determine the monthly principal...Ch. 10.5 - In Exercises 7-10, determine the monthly principal...Ch. 10.5 - In Exercises 7-10, determine the monthly principal...Ch. 10.5 - In Exercises 7-10, determine the monthly principal...Ch. 10.5 - Buying a House Anna is buying a house selling for...Ch. 10.5 - Buying a Condominium Toni is buying a condominium...Ch. 10.5 - Buying a Brownstone Townhouse Felix is purchasing...Ch. 10.5 - Buying a First House The Firszts are purchasing...Ch. 10.5 - Paying Points Martha is buying a house selling for...Ch. 10.5 - Prob. 16ECh. 10.5 - Qualifying for a Mortgage The Guenthers gross...Ch. 10.5 - Prob. 18ECh. 10.5 - A 30-Year Conventional Mortgage Ingrid obtains a...Ch. 10.5 - A 25-Year Conventional Mortgage The Bells obtain a...Ch. 10.5 - Evaluating a Loan Request The Nejems found a house...Ch. 10.5 - Evaluating a Loan Request Kathy wants to buy a...Ch. 10.5 - Comparing Loans The Riveras are negotiating with...Ch. 10.5 - Prob. 24ECh. 10.5 - An Adjustable Rate Mortgage The Bhatts purchased a...Ch. 10.5 - Prob. 26ECh. 10.5 - Prob. 27ECh. 10.5 - Comparing Payment Frequency Janet is purchasing a...Ch. 10.5 - Prob. 29ECh. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 1-8, fill in the blanks with an...Ch. 10.6 - In Exercises 9-12, use the ordinary annuity...Ch. 10.6 - In Exercises 9-12, use the ordinary annuity...Ch. 10.6 - In Exercises 9-12, use the ordinary annuity...Ch. 10.6 - In Exercises 9-12, use the ordinary annuity...Ch. 10.6 - In Exercises 13-16, use the sinking fund formula...Ch. 10.6 - Prob. 14ECh. 10.6 - In Exercises 13-16, use the sinking fund formula...Ch. 10.6 - Prob. 16ECh. 10.6 - In Exercises 1720, round all answers to the...Ch. 10.6 - Prob. 18ECh. 10.6 - In Exercises 1720, round all answers to the...Ch. 10.6 - Prob. 20ECh. 10.6 - In Exercises 2124, round all answers up to the...Ch. 10.6 - Prob. 22ECh. 10.6 - In Exercises 2124, round all answers up to the...Ch. 10.6 - Prob. 24ECh. 10.6 - Dont Wait to Invest The purpose of this exercise...Ch. 10 - In Exercises 16, change the number to a percent....Ch. 10 - In Exercises 16, change the number to a percent....Ch. 10 - In Exercises 16, change the number to a percent....Ch. 10 - In Exercises 16, change the number to a percent....Ch. 10 - In Exercises 16, change the number to a percent....Ch. 10 - Prob. 6RECh. 10 - In Exercises 712, change the percent to a decimal...Ch. 10 - Prob. 8RECh. 10 - Prob. 9RECh. 10 - In Exercises 712, change the percent to a decimal...Ch. 10 - In Exercises 712, change the percent to a decimal...Ch. 10 - Prob. 12RECh. 10 - Salary Increase Charlotte had a salary of 41,500...Ch. 10 - Calorie Decrease Until he began his new wellness...Ch. 10 - Prob. 15RECh. 10 - In Exercises 1517, solve for the unknown quantity....Ch. 10 - Prob. 17RECh. 10 - Prob. 18RECh. 10 - Increased Membership If the number of people in...Ch. 10 - Jelly Beans A jar contains 1050 jelly beans. Of...Ch. 10 - In Exercises 2124, determine the missing quantity...Ch. 10 - In Exercises 2124, determine the missing quantity...Ch. 10 - In Exercises 2124, determine the missing quantity...Ch. 10 - In Exercises 2124, determine the missing quantity...Ch. 10 - Wedding Loan To pay for his daughters wedding,...Ch. 10 - Bank Loan Nikos borrowed 6000 for 24 months from...Ch. 10 - Bakery Loan On April 1, The Red Velvet Bakery...Ch. 10 - Garage Loan On May 15, The Underground Repair...Ch. 10 - Comparing Compounding Periods Determine the amount...Ch. 10 - Prob. 30RECh. 10 - Effective Annual Yield Determine the effective...Ch. 10 - Prob. 32RECh. 10 - Prob. 33RECh. 10 - Office Equipment Loan Sadie is starting a...Ch. 10 - Prob. 35RECh. 10 - Prob. 36RECh. 10 - Prob. 37RECh. 10 - Prob. 38RECh. 10 - Prob. 39RECh. 10 - Prob. 40RECh. 10 - Thirty-Year Mortgage James purchased a home...Ch. 10 - Prob. 42RECh. 10 - Prob. 43RECh. 10 - Prob. 44RECh. 10 - Prob. 1TCh. 10 - Prob. 2TCh. 10 - Prob. 3TCh. 10 - Prob. 4TCh. 10 - Prob. 5TCh. 10 - Prob. 6TCh. 10 - Prob. 7TCh. 10 - Prob. 8TCh. 10 - Prob. 9TCh. 10 - Prob. 10TCh. 10 - Previous Balance Method Michaels credit card...Ch. 10 - Prob. 12TCh. 10 - Building a House In Exercises 1218, the Leungs...Ch. 10 - Building a House In Exercises 1218, the Leungs...Ch. 10 - Building a House In Exercises 1218, the Leungs...Ch. 10 - Prob. 16TCh. 10 - Prob. 17TCh. 10 - Prob. 18TCh. 10 - Prob. 19TCh. 10 - Prob. 20T
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