Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)

6th Edition

ISBN: 9780321914620

Author: Jeffrey O. Bennett, William L. Briggs

Publisher: PEARSON

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Textbook Question

Chapter 7.E, Problem 13E

Review of Factorials. use the skills covered in the Brief Review on p. 458 to evaluate the following quantities without using the factorial key on your calculator (you may use the multiplication key). Show your work. 11. 6! 12. 12! 13. 5 ! 3 ! 14. 10 ! 8 !

15. 12 ! 4 ! 3 ! 16. 9 ! 4 ! 2 !

17. 11 ! 3 ! 11 − 3 ! 18. 30 ! 29 !

19. 8 ! 3 ! 8 − 3 ! 20. 30 ! 28 !

21. 6 ! 8 ! 4 ! 5 ! 22. 15 ! 2 ! 13 !

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Chapter 7.E, Problem 12E

Chapter 7.E, Problem 14E

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Chapter 7 Solutions

Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)

Ch. 7.A - Suppose you toss one coin three times in a row and...Ch. 7.A - During the course of the basketball season, Shawna...Ch. 7.A - A box contains 20 chocolates, but only 2 of them...Ch. 7.A - Prob. 4QQ Ch. 7.A - When you toss one coin, the probability that...Ch. 7.A - On a roll of two dice, Serena bets that the sum...Ch. 7.A - Suppose you toss four 6-sided dice. How many...Ch. 7.A - Suppose you toss four 6-sided dice. How many...Ch. 7.A - You are playing 5-card poker with a deck of 52...Ch. 7.A - Prob. 10QQ

Ch. 7.A - Distinguish between an outcome and an event in...Ch. 7.A - 2. What does it mean when we write P(event)? What...Ch. 7.A - Briefly describe the differences among...Ch. 7.A - How is the probability of an event not occurring...Ch. 7.A - Prob. 5E Ch. 7.A - Prob. 6E Ch. 7.A - When I toss four coins, there are four different...Ch. 7.A - The probability that my sister will get into the...Ch. 7.A - I estimate that the probability of my getting...Ch. 7.A - Because either there is life on Mars or there is...Ch. 7.A - The probability that Jonas will win the race is...Ch. 7.A - Based on data showing that we’ve had snow on...Ch. 7.A - Prob. 13E Ch. 7.A - 13-16: Review of the Multiplication Principle. Use...Ch. 7.A - Review of the Multiplication Principle. Use the...Ch. 7.A - Prob. 16E Ch. 7.A - Prob. 17E Ch. 7.A - Double-Header Outcomes and Events. Suppose the New...Ch. 7.A - Prob. 19E Ch. 7.A - Prob. 20E Ch. 7.A - Prob. 21E Ch. 7.A - Prob. 22E Ch. 7.A - Prob. 23E Ch. 7.A - Prob. 24E Ch. 7.A - 19-28: Theoretical Probabilities. Use the...Ch. 7.A - Theoretical Probabilities. Use the theoretical...Ch. 7.A - 19-28: Theoretical Probabilities. Use the...Ch. 7.A - 19-28: Theoretical Probabilities. Use the...Ch. 7.A - Prob. 29E Ch. 7.A - Prob. 30E Ch. 7.A - Prob. 31E Ch. 7.A - Prob. 32E Ch. 7.A - Which Type of Probability? State which method...Ch. 7.A - 33-34: Which Type of Probability? State which...Ch. 7.A - Prob. 35E Ch. 7.A - Prob. 36E Ch. 7.A - Event Not Occurring. Determine the probability of...Ch. 7.A - Prob. 38E Ch. 7.A - Probability Distributions. Make a probability...Ch. 7.A - 39-42: Probability Distributions. Make a...Ch. 7.A - 39-42: Probability Distributions. Make a...Ch. 7.A - 39-42: Probability Distributions. Make a...Ch. 7.A - Prob. 43E Ch. 7.A - Prob. 44E Ch. 7.A - Prob. 45E Ch. 7.A - Prob. 46E Ch. 7.A - Prob. 47E Ch. 7.A - Prob. 48E Ch. 7.A - Prob. 49E Ch. 7.A - Prob. 50E Ch. 7.A - Prob. 51E Ch. 7.A - Prob. 52E Ch. 7.A - Prob. 53E Ch. 7.A - Prob. 54E Ch. 7.A - Computing Probabilities. Decide which method...Ch. 7.A - Computing Probabilities. Decide which method...Ch. 7.A - Prob. 57E Ch. 7.A - Prob. 58E Ch. 7.A - Prob. 59E Ch. 7.A - Computing Probabilities. Decide which method...Ch. 7.A - Prob. 61E Ch. 7.A - Prob. 62E Ch. 7.A - Prob. 63E Ch. 7.A - Prob. 64E Ch. 7.A - Prob. 65E Ch. 7.A - Prob. 66E Ch. 7.A - Prob. 67E Ch. 7.A - Probability Distributions 68.Suppose you have a...Ch. 7.A - Prob. 69E Ch. 7.A - More Counting. Answer the following counting...Ch. 7.A - Prob. 71E Ch. 7.A - Prob. 72E Ch. 7.A - Prob. 73E Ch. 7.A - Prob. 74E Ch. 7.A - Senior Citizens. In 2010, there were 40 million...Ch. 7.A - Prob. 76E Ch. 7.A - Prob. 77E Ch. 7.A - Prob. 78E Ch. 7.A - Prob. 79E Ch. 7.A - Prob. 80E Ch. 7.A - Prob. 81E Ch. 7.A - Probability in the News. Find a news article or...Ch. 7.A - Prob. 83E Ch. 7.A - Gambling Odds. Find an advertising for a gambling...Ch. 7.B - The probability of rolling two dice and getting a...Ch. 7.B - The rule PAandB=PAPBholdsa. in all cases.b. only...Ch. 7.B - Prob. 3QQ Ch. 7.B - A box of candy contains five dark chocolates and...Ch. 7.B - Prob. 5QQ Ch. 7.B - You roll two dice. Based on the probabilities...Ch. 7.B - You roll two dice twice. Based on the...Ch. 7.B - You toss two coins ten times, and you want to know...Ch. 7.B - Prob. 9QQ Ch. 7.B - Prob. 10QQ Ch. 7.B - How did the gambling habits of the Chevalier de...Ch. 7.B - 2. Give an example in which we would be interested...Ch. 7.B - 3. Give an example in which we would be interested...Ch. 7.B - 4. What is the at least once rule? Explain how the...Ch. 7.B - The probability of getting heads and tails when...Ch. 7.B - If you toss a corn and get heads three times in a...Ch. 7.B - The probability of drawing ace or a spade from a...Ch. 7.B - I can’t believe you chose the lottery number...Ch. 7.B - Prob. 9E Ch. 7.B - To find the probability that at least one of my 25...Ch. 7.B - Chevalier’s Logic with Coins. The Chevalier’s...Ch. 7.B - Prob. 12E Ch. 7.B - Prob. 13E Ch. 7.B - Prob. 14E Ch. 7.B - Prob. 15E Ch. 7.B - Prob. 16E Ch. 7.B - Prob. 17E Ch. 7.B - Prob. 18E Ch. 7.B - Prob. 19E Ch. 7.B - Prob. 20E Ch. 7.B - Prob. 21E Ch. 7.B - Prob. 22E Ch. 7.B - Prob. 23E Ch. 7.B - 2 1-24: Either/Or Probabilities. Determine whether...Ch. 7.B - Prob. 25E Ch. 7.B - 26. Randomly meeting three international students...Ch. 7.B - Prob. 27E Ch. 7.B - Prob. 28E Ch. 7.B - Prob. 29E Ch. 7.B - Prob. 30E Ch. 7.B - At Least Once Problems. Use the at least once rule...Ch. 7.B - Prob. 32E Ch. 7.B - Prob. 33E Ch. 7.B - Prob. 34E Ch. 7.B - Prob. 35E Ch. 7.B - Prob. 36E Ch. 7.B - Prob. 37E Ch. 7.B - Prob. 38E Ch. 7.B - Prob. 39E Ch. 7.B - Prob. 40E Ch. 7.B - Prob. 41E Ch. 7.B - Prob. 42E Ch. 7.B - Prob. 43E Ch. 7.B - Prob. 44E Ch. 7.B - Prob. 45E Ch. 7.B - Prob. 46E Ch. 7.B - Assorted Probabilities. Use the method of your...Ch. 7.B - Assorted Probabilities. Use the method of your...Ch. 7.B - Prob. 49E Ch. 7.B - Prob. 50E Ch. 7.B - Prob. 51E Ch. 7.B - Prob. 52E Ch. 7.B - Assorted Probabilities. Use the method of your...Ch. 7.B - Prob. 54E Ch. 7.B - Assorted Probabilities. Use the method of your...Ch. 7.B - Assorted Probabilities. Use the method of your...Ch. 7.B - Probability and Court. The data in the following...Ch. 7.B - Testing a Drug. A new cold medication was tested...Ch. 7.B - Prob. 59E Ch. 7.B - Dominant and Recessive Genes. Many traits are...Ch. 7.B - Better Bet for the Chevalier. Suppose that the...Ch. 7.B - Prob. 62E Ch. 7.B - Miami Hurricanes. Studies of the Florida...Ch. 7.B - Prob. 64E Ch. 7.B - Prob. 65E Ch. 7.B - Prob. 66E Ch. 7.B - Prob. 67E Ch. 7.B - Combined Probability in Your Life. Cite a recent...Ch. 7.C - Suppose that the probability of a hurricane...Ch. 7.C - Consider a lottery with 100 million tickets in...Ch. 7.C - Consider the lottery described in Exercise 2. If...Ch. 7.C - Prob. 4QQ Ch. 7.C - An insurance company knows that the average cost...Ch. 7.C - You know a shortcut to work that uses side streets...Ch. 7.C - Cameron is betting on a game in which the...Ch. 7.C - Prob. 8QQ Ch. 7.C - A $1 slot at a casino is set so that it returns...Ch. 7.C - Consider the slot machine described in Exercise 9....Ch. 7.C - Explain the meaning of the law of large numbers....Ch. 7.C - In 10 tosses of a fair coin, should you be...Ch. 7.C - Prob. 3E Ch. 7.C - Prob. 4E Ch. 7.C - Prob. 5E Ch. 7.C - Prob. 6E Ch. 7.C - The expected value to me of each raffle ticket I...Ch. 7.C - The expected value of each insurance policy our...Ch. 7.C - If you toss a coin four times, it’s much more...Ch. 7.C - I haven’t won in my last 25 pulls on the slot...Ch. 7.C - I haven’t won in my last 25 pulls on the slot...Ch. 7.C - I’ve lost S750 so far today on roulette. I’m going...Ch. 7.C - Understanding the Law of Large Numbers. Suppose...Ch. 7.C - Speedy Driver. Suppose a person who has a habit of...Ch. 7.C - Prob. 15E Ch. 7.C - Expected Value Games. Find the expected value (to...Ch. 7.C - Prob. 17E Ch. 7.C - Expected Value Games. Find the expected value (to...Ch. 7.C - Prob. 19E Ch. 7.C - Prob. 20E Ch. 7.C - Prob. 21E Ch. 7.C - Expected Wait. A bus arrives at a bus stop at...Ch. 7.C - Gambler’s Fallacy and Coins. Suppose you play a...Ch. 7.C - Gambler’s Fallacy and Dice. Suppose you roll a die...Ch. 7.C - Can You Catch Up? Suppose you toss a fair coin 100...Ch. 7.C - Prob. 26E Ch. 7.C - Prob. 27E Ch. 7.C - Prob. 28E Ch. 7.C - Prob. 29E Ch. 7.C - Prob. 30E Ch. 7.C - Prob. 31E Ch. 7.C - Prob. 32E Ch. 7.C - Prob. 33E Ch. 7.C - Prob. 34E Ch. 7.C - Extra Points in Football. Football teams have the...Ch. 7.C - Roulette. When you bet $5 on the number 7 in...Ch. 7.C - Household Size. It is estimated that 57% of...Ch. 7.C - Prob. 38E Ch. 7.C - Prob. 39E Ch. 7.C - Prob. 40E Ch. 7.C - Prob. 41E Ch. 7.C - The Morality of Gambling. Republican Senator...Ch. 7.D - Prob. 1QQ Ch. 7.D - Prob. 2QQ Ch. 7.D - Prob. 3QQ Ch. 7.D - Prob. 4QQ Ch. 7.D - Prob. 5QQ Ch. 7.D - Based on Figure 7.11, besides the elderly, the...Ch. 7.D - Prob. 7QQ Ch. 7.D - Prob. 8QQ Ch. 7.D - Based on Figure 7.12, which statement is not...Ch. 7.D - Prob. 10QQ Ch. 7.D - Prob. 1E Ch. 7.D - Prob. 2E Ch. 7.D - Prob. 3E Ch. 7.D - Prob. 4E Ch. 7.D - Prob. 5E Ch. 7.D - Prob. 6E Ch. 7.D - Your life expectancy is the major factor in...Ch. 7.D - A 60-year-old has a shorter life expectancy than...Ch. 7.D - Prob. 9E Ch. 7.D - Prob. 10E Ch. 7.D - Prob. 11E Ch. 7.D - Prob. 12E Ch. 7.D - Prob. 13E Ch. 7.D - Prob. 14E Ch. 7.D - Prob. 15E Ch. 7.D - 15–20: Causes of Death. Use Table 7.4, and assume...Ch. 7.D - Prob. 17E Ch. 7.D - Prob. 18E Ch. 7.D - 15–20: Causes of Death. Use Table 7.4, and assume...Ch. 7.D - 15–20: Causes of Death. Use Table 7.4, and assume...Ch. 7.D - Prob. 21E Ch. 7.D - Prob. 22E Ch. 7.D - Prob. 23E Ch. 7.D - Prob. 24E Ch. 7.D - Prob. 25E Ch. 7.D - Prob. 26E Ch. 7.D - Prob. 27E Ch. 7.D - Prob. 28E Ch. 7.D - Prob. 29E Ch. 7.D - Prob. 30E Ch. 7.D - Prob. 31E Ch. 7.D - Prob. 32E Ch. 7.D - Prob. 33E Ch. 7.D - Aging population. The table shows the U S....Ch. 7.D - Prob. 35E Ch. 7.D - Prob. 36E Ch. 7.D - Prob. 37E Ch. 7.D - Prob. 38E Ch. 7.D - Prob. 39E Ch. 7.E - 1. You are asked to create a 4-character password,...Ch. 7.E - Prob. 2QQ Ch. 7.E - A teacher has 28 students. and 5 them will be...Ch. 7.E - Prob. 4QQ Ch. 7.E - A soccer coach who has 15 children on her team...Ch. 7.E - One term in the denominator of the combinations...Ch. 7.E - Overall, number of different 4-person terns (order...Ch. 7.E - One in a stadium filled with 100,000 people is...Ch. 7.E - One in a stadium filled With people is chosen at...Ch. 7.E - There are 365 possible birthdays in a year. In a...Ch. 7.E - Prob. 1E Ch. 7.E - Prob. 2E Ch. 7.E - Prob. 3E Ch. 7.E - 4. Explain What we mean When we that outcome is...Ch. 7.E - I used the permutations formula to determine how...Ch. 7.E - I used the combinations formula to determine how...Ch. 7.E - The number Of different possible batting orders...Ch. 7.E - It must my lucky day, the five-card poker hand I...Ch. 7.E - The probability that two people in a randomly...Ch. 7.E - Someone wins the lottery every week. so I figure...Ch. 7.E - Review of Factorials. use the skills covered in...Ch. 7.E - Review of Factorials. use the skills covered in...Ch. 7.E - Review of Factorials. use the skills covered in...Ch. 7.E - Prob. 14E Ch. 7.E - Prob. 15E Ch. 7.E - Prob. 16E Ch. 7.E - Prob. 17E Ch. 7.E - Prob. 18E Ch. 7.E - Review off Factorials. use the skills covered in...Ch. 7.E - 11—22: Review off Factorials. use the skills...Ch. 7.E - 11—22: Review off Factorials. use the skills...Ch. 7.E - 11—22: Review off Factorials. use the skills...Ch. 7.E - Prob. 23E Ch. 7.E - Counting Methods. Answer the following questions...Ch. 7.E - Prob. 25E Ch. 7.E - Prob. 26E Ch. 7.E - Prob. 27E Ch. 7.E - Prob. 28E Ch. 7.E - Prob. 29E Ch. 7.E - Prob. 30E Ch. 7.E - Prob. 31E Ch. 7.E - Prob. 32E Ch. 7.E - Counting Methods. Answer the following questions...Ch. 7.E - Prob. 34E Ch. 7.E - Prob. 35E Ch. 7.E - Prob. 36E Ch. 7.E - Prob. 37E Ch. 7.E - Prob. 38E Ch. 7.E - Prob. 39E Ch. 7.E - Prob. 40E Ch. 7.E - Birthday Coincidences. Suppose you are part of a...Ch. 7.E - Birthday Coincidences. Suppose you are part of a...Ch. 7.E - 43. Ice Cream Shop. Josh and Ice Cream Shop Of-...Ch. 7.E - 44. Telephone Numbers. A ten-digit phone number in...Ch. 7.E - 45. Pizza Hype. Luigi; Pizza parlor advertises 56...Ch. 7.E - ZIP Codes. The US. Postal Service five-digit and...Ch. 7.E - 47 —54: Counting and Probability. Find the...Ch. 7.E - Prob. 48E Ch. 7.E - Prob. 49E Ch. 7.E - Prob. 50E Ch. 7.E - Prob. 51E Ch. 7.E - Prob. 52E Ch. 7.E - Prob. 53E Ch. 7.E - Prob. 54E Ch. 7.E - Hot Streaks. Suppose that 2000 people are all...Ch. 7.E - Joe Record. One of longest-standing records in...Ch. 7.E - Prob. 57E Ch. 7.E - Prob. 58E Ch. 7.E - Prob. 59E Ch. 7.E - Prob. 60E Ch. 7.E - Prob. 61E Ch. 7.E - Prob. 62E Ch. 7.E - Prob. 63E Ch. 7.E - Prob. 64E

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