HEART OF MATHEMATICS
4th Edition
ISBN: 9781119760061
Author: Burger
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 8.1, Problem 1MS
Doors galore. The 21st-century version of Let’s Make a Deal has five doors instead of three. Two doors have cars behind them and the other three doors have mules. What percentage of doors have cars behind them?
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Suppose that 80% of athletes at a certain college graduate. You randomly select eight athletes. What’s the chance that at most 7 of them graduate?
Suppose that you flip a fair coin four times. What’s the chance of getting at least one head?
Suppose that the chance that an elementary student eats hot lunch is 30 percent. What’s the chance that, among 20 randomly selected students, between 6 and 8 students eat hot lunch (inclusive)?
Chapter 8 Solutions
HEART OF MATHEMATICS
Ch. 8.1 - Doors galore. The 21st-century version of Lets...Ch. 8.1 - Birthday surprise. How many people would you need...Ch. 8.1 - Opposite of heads. Suppose you flip a coin 100...Ch. 8.1 - Penny percent. Suppose you flip a penny 50 times,...Ch. 8.1 - Party time. At a nephews party, you decide to...Ch. 8.1 - Flipping Lincoln. Flip a penny 100 times and...Ch. 8.1 - Flashing cards. Shuffle a standard deck of 52...Ch. 8.1 - King for a day. Remove three cards from a deck of...Ch. 8.1 - A card deal stick. Remove three cards from a deck...Ch. 8.1 - A card deal switch. Remove three cards from a deck...
Ch. 8.1 - A card reunion—black first (S). Using a shuffled...Ch. 8.1 - A card reunion (H). Using a shuffled deck of...Ch. 8.1 - Prob. 14MSCh. 8.1 - Prob. 15MSCh. 8.1 - Personal perspectives. Write a short essay...Ch. 8.1 - With a group of folks. In a small group, discuss...Ch. 8.1 - One Grecian urn. A large urn in your kitchen is...Ch. 8.1 - Two Grecian urns. Your math instructor keeps two...Ch. 8.1 - Pennies from heaven (H). Residents of your...Ch. 8.1 - Dating Penny. The pennies described in the...Ch. 8.1 - Changing your pants. You have 20 coins in your...Ch. 8.2 - Black or white? Your friend chooses his sartorial...Ch. 8.2 - Eleven cents. You have a dime and a penny. Flip...Ch. 8.2 - Yummm. You have a small bag of candy-coated...Ch. 8.2 - Rubber duckies. A game at a carnival has 75 rubber...Ch. 8.2 - Legally large. What does the Law of Large Numbers...Ch. 8.2 - Lincoln takes a hit. On your wall is a poster...Ch. 8.2 - Giving orders. Order the following events in tenns...Ch. 8.2 - Two heads are better. Simultaneously flip a dime...Ch. 8.2 - Tacky probabilities. Before doing the following...Ch. 8.2 - BURGER AND STARBIRD. Suppose you randomly select a...Ch. 8.2 - Monty Hall. Read and rework the Lets Make a Deal...Ch. 8.2 - 7 or 11 (S). What is the probability of rollign a...Ch. 8.2 - D and D. You simultaneously flip a dime and roll a...Ch. 8.2 - The top 10 (ExH). Suppose you have 10 marbles....Ch. 8.2 - One five and dime (II). Someone simultaneously...Ch. 8.2 - Five flip. Someone flips five coins, but you dont...Ch. 8.2 - Flipped out. We take a coin and flip it 10,000,000...Ch. 8.2 - Spinning wheel. A roulette wheel has 36 spaces...Ch. 8.2 - December 9. Choose two people at random. What is...Ch. 8.2 - High roller (H). Using two fair dice, what is the...Ch. 8.2 - Double dice. You roll two fair dice. What is the...Ch. 8.2 - Sifly puzzle. After a professor explains the...Ch. 8.2 - Just do it. Find groups of roughly 35 people...Ch. 8.2 - No matches (S). Suppose 40 people are in a room....Ch. 8.2 - Spinner winner. If you were to spin the wheel...Ch. 8.2 - Flip side (S). Someone flips three coins behind a...Ch. 8.2 - Other flip side. Someone flips three coins behind...Ch. 8.2 - Blackjack. From a regular deck of 52 playing...Ch. 8.2 - Be rational (ExH). Suppose someone has randomly...Ch. 8.2 - Well red (H). Someone shows you three cards. One...Ch. 8.2 - Regular dice. Dungeons and Dragons players use...Ch. 8.2 - Take your seat. You decide to fly to California on...Ch. 8.2 - Eight flips. What is the probability of flipping a...Ch. 8.2 - Lottery (S). The lottery in an extremely small...Ch. 8.2 - Making the grade. What is wrong with the following...Ch. 8.2 - Dont squeeze. Five shoppers buy Charmin toilet...Ch. 8.2 - Birthday cards. Using a regular deck of 52 playing...Ch. 8.2 - Too many boys. Long, long ago and far, far away,...Ch. 8.2 - Three paradox (H). The correct probability of...Ch. 8.2 - Whats the big event? The section defines the...Ch. 8.2 - Tallying totals. For each given probability below,...Ch. 8.2 - Algebra roulette. Your math instructor has created...Ch. 8.2 - Probability beans. The jellybean jar on your math...Ch. 8.2 - Picking up the tab (H). Ed and Mike go out to...Ch. 8.3 - Daily deaths. About 58 million people die every...Ch. 8.3 - Wake-up call. Suppose you wake up each morning and...Ch. 8.3 - More than 12 monkeys. What does the Infinite...Ch. 8.3 - Get shorty. Who was Georges Louis Leclerc Comte de...Ch. 8.3 - Nothing but heads. If you flip a fair coin three...Ch. 8.3 - Pick a number. Pick a number from the following...Ch. 8.3 - Personal coincidences. List three coincidences you...Ch. 8.3 - No way. It is the last Sunday of spring break and...Ch. 8.3 - Prob. 10MSCh. 8.3 - Unlucky numbers. Suppose you randomly picked 1000...Ch. 8.3 - A bad block (S). Suppose 1054 people died in...Ch. 8.3 - Coin toss test. Ask two friends to help you repeat...Ch. 8.3 - DeceptIve dice (ExH). You asked three friends to...Ch. 8.3 - Murphys Law. If something can go wrong, it will....Ch. 8.3 - Drop the needle. Try Buffons needle experiment by...Ch. 8.3 - IBM again (H). Suppose we try the IBM...Ch. 8.3 - The dart index. Take a page of stock quotes from a...Ch. 8.3 - Random walks. Using a piece of graph paper, a...Ch. 8.3 - Random guesses (S). A multiple-choice test has 100...Ch. 8.3 - Random dates. There is a room filled with exotic...Ch. 8.3 - Random phones (H). Suppose you roll a 10-sided die...Ch. 8.3 - Fourever (ExH). Suppose you roll a die repeatedly,...Ch. 8.3 - Pick a number, revisited. In Mindscape 6, did you...Ch. 8.3 - Good start (H). Suppose the monkey is typing using...Ch. 8.3 - Even moves. Suppose you embark on a random walk on...Ch. 8.3 - Playing the numbers. Here is a numbers game. You...Ch. 8.3 - Random results. Someone looks at a list of 10,000...Ch. 8.3 - Monkey names. Suppose we have a monkey typing on a...Ch. 8.3 - The streak. Suppose you flip a fair coin 10 times...Ch. 8.3 - Girl, Girl,... (S). A couple has eight children....Ch. 8.3 - One mistake is okay. Suppose we try the IBM...Ch. 8.3 - Picking and matching. You and a friend...Ch. 8.3 - Picking and matching. You and a friend...Ch. 8.3 - Dice are different (ExH). In Mindscape 14 you...Ch. 8.3 - Death row (H). You may have noticed that two pairs...Ch. 8.3 - Striking again. Consider the striking deal game...Ch. 8.3 - Random returns. Suppose we take a random walk on...Ch. 8.3 - Random natural. Suppose you have a 10-sided die...Ch. 8.3 - Ace of spades. You randomly shuffle a deck of...Ch. 8.3 - Flipping out. You flip a coin eight times and get...Ch. 8.3 - Random reigns (H). Your (very egalitarian) school...Ch. 8.3 - Survey says... A survey in your intro psychology...Ch. 8.3 - Rock n roll. As a project in your Geology and Art...Ch. 8.3 - Random pitch. During a practice game, your...Ch. 8.4 - Have a heart. If you draw a card from a regular...Ch. 8.4 - Have a head. You ffip a coin 10 times. What is the...Ch. 8.4 - Sunny surprise. Suppose the chances are 1 in 2...Ch. 8.4 - Elephant ears. Suppose a quarter of all the...Ch. 8.4 - Little deal. In how many ways can you select three...Ch. 8.4 - The gym lock. A lock has a disk with 36 numbers...Ch. 8.4 - The dorm door. A dormitory has an electronic lock....Ch. 8.4 - 28 cents. How many different ways can you make 28...Ch. 8.4 - 82 cents. How many different ways can you make 82...Ch. 8.4 - Number please. Someone you really wanted to go out...Ch. 8.4 - Dealing with jack. Suppose you deal three cards...Ch. 8.4 - MA Lotto (H). To win the jackpot of the...Ch. 8.4 - NY Lotto (H). To win the jackpot of the New York...Ch. 8.4 - OR Lotto. To win the jackpot of the Oregon lottery...Ch. 8.4 - Burger King (S). You take a summer job making...Ch. 8.4 - More burgers. Suppose you are working at a burger...Ch. 8.4 - NetFlix. You have 65 movies on your NetFlix queue....Ch. 8.4 - Cineplex (ExH). Your local Cineplex is showing...Ch. 8.4 - One die. You roll a fair die four times. What is...Ch. 8.4 - Dressing for success. You have 5 T-shirts, 10...Ch. 8.4 - Band stand. The Drew Aderburg Band is planning a...Ch. 8.4 - Mondays undies. You are spending the weekend at a...Ch. 8.4 - Prob. 23MSCh. 8.4 - Cranking tunes. Your car stereo can be programmed...Ch. 8.4 - The Great Books. There are 20 Great Books, from...Ch. 8.4 - Morning variety (S). You wish to have a different...Ch. 8.4 - Blind mans bluff. You and a friend each pick a...Ch. 8.4 - Crime story (ExH). Suppose 20 witnesses saw...Ch. 8.4 - Theres a 4 (H). Someone you really want to go out...Ch. 8.4 - Making up the test. Your math prof says there will...Ch. 8.4 - Moving up. You have a part4ime job in a department...Ch. 8.4 - Counterfeit bills. You are given ten $100 bills...Ch. 8.4 - Car care. A burglar wishes to break into a car...Ch. 8.4 - Coins count. On your bureau you have a half...Ch. 8.4 - Math mania. There are 90 students enrolled in Math...Ch. 8.4 - Party on. You want to throw a party and can invite...Ch. 8.4 - No dice (H). You roll a pair of dice 24 times....Ch. 8.4 - Three angles. Draw 10 points on a piece of paper...Ch. 8.4 - Four parties (ExH). You want to have a party and...Ch. 8.4 - Making the cut. In 1988, the ignition keys for...Ch. 8.4 - Parental pride. The number of pictures you have of...Ch. 8.4 - Sister, Sister. The number of students in a...Ch. 8.4 - In search of a cubic. This section explains that...Ch. 8.4 - Cancellation! (H) This section explains that the...Ch. 8.4 - Keep on cancellin! Building on the previous...Ch. 8.5 - No pop quizzes. Your instructor gives mom quizzes...Ch. 8.5 - No easy quizzes (S). Your instructor starts giving...Ch. 8.5 - Silly sickness. Based on your symptoms, your...Ch. 8.5 - Making an algebra-down. Consider the equation...Ch. 8.5 - A beautiful mind. Who was John Nash? Give as many...Ch. 8.5 - Upon further study. On your instructor quizzes,...Ch. 8.5 - Power pass (ExH). The matrix below gives the yards...Ch. 8.5 - Pass with a p. Suppose the defense referred to in...Ch. 8.5 - Random run. Suppose now in Mindscape 7 the defense...Ch. 8.5 - Another random nm. Suppose now the defense...Ch. 8.5 - Lining up the defense (S). Using the payoff matrix...Ch. 8.5 - De-lines of defense. Using the payoff matrix in...Ch. 8.5 - Approximate Nash (ExH). Take the two lines from...Ch. 8.5 - Precise Nash. Use your answers to Mindscapes 8 and...Ch. 8.5 - Positive payoof (H). Below is a payoff matrix for...Ch. 8.5 - Estimating the equilibrium. Estimate the...Ch. 8.5 - Exacting the equilibrium. Find equations for the...Ch. 8.5 - Payoffs need not be positive. Heres a payoff...Ch. 8.5 - Negative equilibrium. Find equations for the two...Ch. 8.5 - Making negative sense. In what kind of game or...Ch. 8.5 - Colin and Tubbes. When first grader Cohn comes...Ch. 8.5 - Cohn and Tubbes 50—50. Suppose in Mindscape 21...Ch. 8.5 - Averaging Cohn and Tubbes. Suppose p is the...Ch. 8.5 - Colin and Tubbes line up (ExH). Referring to...Ch. 8.5 - Colin and Tubbes with a dash of Nash (S). Find the...Ch. 8.5 - Diagnosis. Based on your symptoms, your doctor...Ch. 8.5 - Sploosh test (H). Given the scenario in the...Ch. 8.5 - Diagnose the data. Using the data from the...Ch. 8.5 - My theory ... You are a paleontologist who finds...Ch. 8.5 - Going stag. Two Englishmen, Neville and Winston,...Ch. 8.5 - Selling sweets. Two snack cake companies, Snacky...Ch. 8.5 - Prisoners dilemma. Two people are suspected of...Ch. 8.5 - Match point. Find the coordinates (p,y) where the...Ch. 8.5 - Match lines. Find an equation for the line passing...Ch. 8.5 - Unmatched slopes. Two lines intersect at the point...Ch. 8.5 - Plotting percentages. Of the students in your...Ch. 8.5 - Itching for x (H). You go to the Health Center...
Additional Math Textbook Solutions
Find more solutions based on key concepts
Answer the following regarding the English alphabet. a. Determine the ratio of vowels to consonants. b. What is...
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
14. News Source Based on data from a Harris Interactive survey, 40% of adults say that they prefer to get their...
Elementary Statistics (13th Edition)
CHECK POINT I Express as a percent.
Thinking Mathematically (6th Edition)
If n is a counting number, bn, read______, indicates that there are n factors of b. The number b is called the_...
Algebra and Trigonometry (6th Edition)
Fill in each blank so that the resulting statement is true.
1. A combination of numbers, variables, and opera...
College Algebra (7th Edition)
Derivatives Evaluate the derivatives of the following functions. 19. f(x) = cos1 (1/x)
Calculus: Early Transcendentals (2nd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- Bob’s commuting times to work are varied. He makes it to work on time 80 percent of the time. On 12 randomly selected trips to work, what’s the chance that Bob makes it on time at least 10 times?arrow_forwardYour chance of winning a small prize in a scratch-off ticket is 10 percent. You buy five tickets. What’s the chance you will win at least one prize?arrow_forwardSuppose that 60 percent of families own a pet. You randomly sample four families. What is the chance that two or three of them own a pet?arrow_forward
- If 40 percent of university students purchase their textbooks online, in a random sample of five students, what’s the chance that exactly one of them purchased their textbooks online?arrow_forwardA stoplight is green 40 percent of the time. If you stop at this light eight random times, what is the chance that it’s green exactly five times?arrow_forwardIf 10 percent of the parts made by a certain company are defective and have to be remade, what is the chance that a random sample of four parts has one that is defective?arrow_forward
- Question 4 Fourteen individuals were given a complex puzzle to complete. The times in seconds was recorded for their first and second attempts and the results provided below: 1 2 3 first attempt 172 255 second attempt 70 4 5 114 248 218 194 270 267 66 6 7 230 219 341 174 8 10 9 210 261 347 218 200 281 199 308 268 243 236 300 11 12 13 14 140 302 a. Calculate a 95% confidence interval for the mean time taken by each individual to complete the (i) first attempt and (ii) second attempt. [la] b. Test the hypothesis that the difference between the two mean times for both is 100 seconds. Use the 5% level of significance. c. Subsequently, it was learnt that the times for the second attempt were incorrecly recorded and that each of the values is 50 seconds too large. What, if any, difference does this make to the results of the test done in part (b)? Show all steps for the hypothesis testarrow_forwardQuestion 3 3200 students were asked about the importance of study groups in successfully completing their courses. They were asked to provide their current majors as well as their opinion. The results are given below: Major Opinion Psychology Sociology Economics Statistics Accounting Total Agree 144 183 201 271 251 1050 Disagree 230 233 254 227 218 1162 Impartial 201 181 196 234 176 988 Total 575 597 651 732 645 3200 a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic. | d. What conclusion are you allowed to draw? c. Would your conclusion change at the 10% level of significance? f. Confirm test results in part (c) using JASP. Note: All JASP input files and output tables should be providedarrow_forwardQuestion 1 A tech company has acknowledged the importance of having records of all meetings conducted. The meetings are very fast paced and requires equipment that is able to capture the information in the shortest possible time. There are two options, using a typewriter or a word processor. Fifteen administrative assistants are selected and the amount of typing time in hours was recorded. The results are given below: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 typewriter 8.0 6.5 5.0 6.7 7.8 8.5 7.2 5.7 9.2 5.7 6.5 word processor 7.2 5.7 8.3 7.5 9.2 7.2 6.5 7.0 6.9 34 7.0 6.9 8.8 6.7 8.8 9.4 8.6 5.5 7.2 8.4 a. Test the hypothesis that the mean typing time in hours for typewriters is less than 7.0. Use the 1% level of significance. b. Construct a 90% confidence interval for the difference in mean typing time in hours, where a difference is equal to the typing time in hours of word processors minus typing time in hours of typewriter. c. Using the 5% significance level, determine whether there is…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningCollege AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning

Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill

College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning

College Algebra
Algebra
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage


Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
what is Research Design, Research Design Types, and Research Design Methods; Author: Educational Hub;https://www.youtube.com/watch?v=LpmGSioXxdo;License: Standard YouTube License, CC-BY