Mathematical Ideas (13th Edition) - Standalone book
13th Edition
ISBN: 9780321977076
Author: Charles D. Miller, Vern E. Heeren, John Hornsby, Christopher Heeren
Publisher: PEARSON
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Textbook Question
Chapter 11.4, Problem 31E
Random Selection of Answers on a Multiple-choice Test Beth is taking a ten-question multiple-choice test for which each question has three answer choices, only one of which is correct. Beth decides on answers by rolling a fair die and marking the first answer choice if the die shows 1 or 2, the second if it shows 3 or 4, and the third if it shows 5 or 6. Find the probability of each event in Exercises 31-34.
exactly four correct answers
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Stat questions
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8. Var(X).
9. Var (6-3X).
10. Find the m.g.f of the random variable X
Chapter 11 Solutions
Mathematical Ideas (13th Edition) - Standalone book
Ch. 11.1 - In Exercises 1-4, give the probability that the...Ch. 11.1 - In Exercises 1-4, give the probability that the...Ch. 11.1 - In Exercises 1-4, give the probability that the...Ch. 11.1 - In Exercises 1-4, give the probability that the...Ch. 11.1 - Solve each probability problem.
5. Using Spinners...Ch. 11.1 - Solve each probability problem.
6. Lining Up...Ch. 11.1 - Solve each probability problem.
7. Using Spinners...Ch. 11.1 - Solve each probability problem. Probabilities in...Ch. 11.1 - Solve each probability problem.
9. Random...Ch. 11.1 - Solve each probability problem. Probabilities in...
Ch. 11.1 - Solve each probability problem.
11. Number Sums...Ch. 11.1 - Solve each probability problem. Probabilities of...Ch. 11.1 - Probabilities of Poker Hands In 5-card poker, find...Ch. 11.1 - Probabilities of Poker Hands In 5-card poker, find...Ch. 11.1 - Probabilities of Poker HandsIn 5-card poker, find...Ch. 11.1 - Probabilities of Poker Hands In 5-card poker, find...Ch. 11.1 - Probabilities of Poker Hands In 5-card poker, find...Ch. 11.1 - Probabilities of Poker Hands In 5-card poker, find...Ch. 11.1 - In Exercises 19 and 20, give answers to three...Ch. 11.1 - In Exercises 19 and 20, give answers to three...Ch. 11.1 - Selecting Class Reports Assuming that Ben, Jill,...Ch. 11.1 - Selecting Class Reports Assuming that Ben, Jill,...Ch. 11.1 - Selecting Class Reports Assuming that Ben, Jill,...Ch. 11.1 - Selecting Class Reports Assuming that Ben, Jill,...Ch. 11.1 - Genetics in Snapdragons Mendel found no dominance...Ch. 11.1 - Genetics in Snapdragons Mendel found no dominance...Ch. 11.1 - Prob. 27ECh. 11.1 - Prob. 28ECh. 11.1 - Genetics in Pea Plants Mendel also investigated...Ch. 11.1 - Prob. 30ECh. 11.1 - Prob. 31ECh. 11.1 - Genetics of Cystic Fibrosis Cystic fibrosis is one...Ch. 11.1 - Prob. 33ECh. 11.1 - Prob. 34ECh. 11.1 - Suppose that both partners in a marriage are...Ch. 11.1 - Prob. 36ECh. 11.1 - Prob. 37ECh. 11.1 - Prob. 38ECh. 11.1 - Prob. 39ECh. 11.1 - Prob. 40ECh. 11.1 - Prob. 41ECh. 11.1 - Prob. 42ECh. 11.1 - Prob. 43ECh. 11.1 - Prob. 44ECh. 11.1 - Prob. 45ECh. 11.1 - Prob. 46ECh. 11.1 - Prob. 47ECh. 11.1 - Prob. 48ECh. 11.1 - Prob. 49ECh. 11.1 - Drawing Balls from an Urn Anne Kelly randomly...Ch. 11.1 - Prob. 51ECh. 11.1 - Prob. 52ECh. 11.1 - Random Selection of Club Officers Five people...Ch. 11.1 - Prob. 54ECh. 11.1 - In Exercises 55 and 56, assume that the...Ch. 11.1 - Prob. 56ECh. 11.1 - Make the requested conversions in Exercises 57 and...Ch. 11.1 - Prob. 58ECh. 11.1 - Women's 100-Meter Run In the history of track and...Ch. 11.1 - Prob. 60ECh. 11.1 - Probabilities of Seating Arrangements Six people...Ch. 11.1 - Prob. 62ECh. 11.1 - Probabilities of Seating Arrangements Six people...Ch. 11.1 - Prob. 64ECh. 11.1 - Prob. 65ECh. 11.1 - Prob. 66ECh. 11.1 - Solve each problem. Slopes Two lines, neither of...Ch. 11.1 - Prob. 68ECh. 11.1 - Solve each problem.
69. Student Course Schedules A...Ch. 11.1 - Prob. 70ECh. 11.1 - Prob. 71ECh. 11.1 - Prob. 72ECh. 11.1 - Solve each problem.
73. Random Sums Two integers...Ch. 11.1 - Prob. 74ECh. 11.1 - Solve each problem.
75. Divisibility of Random...Ch. 11.1 - Prob. 76ECh. 11.1 - Solve each problem.
77. Classroom Demographics A...Ch. 11.1 - Prob. 78ECh. 11.1 - Prob. 79ECh. 11.1 - Prob. 80ECh. 11.1 - Prob. 81ECh. 11.1 - Prob. 82ECh. 11.2 - Probabilities for Rolling a Die For the experiment...Ch. 11.2 - Probabilities for Rolling a Die For the experiment...Ch. 11.2 - Probabilities for Rolling a Die For the experiment...Ch. 11.2 - Prob. 4ECh. 11.2 - Prob. 5ECh. 11.2 - Probabilities for Rolling a Die For the experiment...Ch. 11.2 - Prob. 7ECh. 11.2 - Prob. 8ECh. 11.2 - Probability and Odds for Drawing a Card For the...Ch. 11.2 - Probability and Odds for Drawing a Card For the...Ch. 11.2 - Probability and Odds for Drawing a Card For the...Ch. 11.2 - Probability and Odds for Drawing a Card For the...Ch. 11.2 - Number Sums for Rolling a Pair of Dice For the...Ch. 11.2 - Number Sums for Rolling a Pair of Dice For the...Ch. 11.2 - Prob. 15ECh. 11.2 - Prob. 16ECh. 11.2 - Prime Results Find the probability of getting a...Ch. 11.2 - Prime Results Find the probability of getting a...Ch. 11.2 - Prob. 19ECh. 11.2 - Prob. 20ECh. 11.2 - Prob. 21ECh. 11.2 - Determining Whether Events Are Mutually Exclusive...Ch. 11.2 - Prob. 23ECh. 11.2 - Prob. 24ECh. 11.2 - Probabilities of Poker Hands If you are dealt a...Ch. 11.2 - Prob. 26ECh. 11.2 - Prob. 27ECh. 11.2 - Probabilities in Golf Scoring The table gives...Ch. 11.2 - Prob. 29ECh. 11.2 - Prob. 30ECh. 11.2 - Probabilities in Golf Scoring The table gives...Ch. 11.2 - Probabilities in Golf Scoring The table gives...Ch. 11.2 - Prob. 33ECh. 11.2 - Probability Distribution Anne Kelly randomly...Ch. 11.2 - Comparing Empirical and Theoretical Probabilities...Ch. 11.2 - Prob. 36ECh. 11.2 - Prob. 37ECh. 11.2 - Comparing Empirical and Theoretical Probabilities...Ch. 11.2 - Prob. 39ECh. 11.2 - Prob. 40ECh. 11.2 - Prob. 41ECh. 11.2 - Prob. 42ECh. 11.2 - Prob. 43ECh. 11.2 - Prob. 44ECh. 11.2 - Prob. 45ECh. 11.2 - Prob. 46ECh. 11.2 - Prob. 47ECh. 11.2 - 48. Multiplying Numbers Generated by Spinners An...Ch. 11.2 - Luka and Janie are playing a coin toss game. If...Ch. 11.2 - Random Births on the Same Day of the Week What is...Ch. 11.3 - From the sample space
a single number is to be...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - From the sample space
a single number is to be...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - Prob. 5ECh. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - From the sample space S=1,2,3,4,...,15, a single...Ch. 11.3 - Given a family with three children, find the...Ch. 11.3 - Given a family with three children, find the...Ch. 11.3 - Prob. 13ECh. 11.3 - Given a family with three children, find the...Ch. 11.3 - Prob. 15ECh. 11.3 - Prob. 16ECh. 11.3 - Prob. 17ECh. 11.3 - Prob. 18ECh. 11.3 - Prob. 19ECh. 11.3 - Prob. 20ECh. 11.3 - Prob. 21ECh. 11.3 - For each experiment, determine whether the two...Ch. 11.3 - For each experiment, determine whether the two...Ch. 11.3 - Prob. 24ECh. 11.3 - For each experiment, determine whether the two...Ch. 11.3 - For each experiment, determine whether the two...Ch. 11.3 - Prob. 27ECh. 11.3 - Gender and Career Motivation of College Students...Ch. 11.3 - Prob. 29ECh. 11.3 - Gender and Career Motivation of College Students...Ch. 11.3 - Gender and Career Motivation of College Students...Ch. 11.3 - Gender and Career Motivation of College Students...Ch. 11.3 - Prob. 33ECh. 11.3 - Prob. 34ECh. 11.3 - Prob. 35ECh. 11.3 - Prob. 36ECh. 11.3 - Prob. 37ECh. 11.3 - Pet Selection Suppose two puppies are selected as...Ch. 11.3 - Prob. 39ECh. 11.3 - Prob. 40ECh. 11.3 - Prob. 41ECh. 11.3 - Prob. 42ECh. 11.3 - Card Dealing Let two cards be dealt successively,...Ch. 11.3 - Prob. 44ECh. 11.3 - Card Dealing Let two cards be dealt successively,...Ch. 11.3 - Card Dealing Let two cards be dealt successively,...Ch. 11.3 - Prob. 47ECh. 11.3 - Prob. 48ECh. 11.3 - Prob. 49ECh. 11.3 - Proof of Formulas Given events A and B within the...Ch. 11.3 - Conditions in Card Drawing Use the results of...Ch. 11.3 - Conditions in Card Drawing Use the results of...Ch. 11.3 - Prob. 53ECh. 11.3 - Prob. 54ECh. 11.3 - Prob. 55ECh. 11.3 - Prob. 56ECh. 11.3 - Prob. 57ECh. 11.3 - Dice Rolls Three dice are rolled. What is the...Ch. 11.3 - The remaining exercises, and groups of exercises,...Ch. 11.3 - Prob. 60ECh. 11.3 - Prob. 61ECh. 11.3 - Prob. 62ECh. 11.3 - Prob. 63ECh. 11.3 - Prob. 64ECh. 11.3 - Pollution from the Space Shuttle Launch Site One...Ch. 11.3 - Prob. 66ECh. 11.3 - Prob. 67ECh. 11.3 - Prob. 68ECh. 11.3 - Prob. 69ECh. 11.3 - Prob. 70ECh. 11.3 - Prob. 71ECh. 11.3 - Prob. 72ECh. 11.3 - Garage Door Opener Kevin installed a certain brand...Ch. 11.3 - Prob. 74ECh. 11.3 - Prob. 75ECh. 11.3 - Prob. 76ECh. 11.3 - Weather Conditions on Successive Days In November,...Ch. 11.3 - Prob. 78ECh. 11.3 - Prob. 79ECh. 11.3 - Prob. 80ECh. 11.3 - Prob. 81ECh. 11.3 - Prob. 82ECh. 11.3 - Prob. 83ECh. 11.3 - Prob. 84ECh. 11.3 - Prob. 85ECh. 11.3 - Prob. 86ECh. 11.3 - Fair Decisions from Biased Coins Many everyday...Ch. 11.3 - Prob. 88ECh. 11.3 - One-and-one Free Throw Shooting in Basketball In...Ch. 11.3 - Prob. 90ECh. 11.3 - Prob. 91ECh. 11.3 - Prob. 92ECh. 11.3 - Prob. 93ECh. 11.3 - Prob. 94ECh. 11.3 - Prob. 95ECh. 11.3 - Prob. 96ECh. 11.3 - Empirical and Theoretical Probabilities in Dice...Ch. 11.3 - Prob. 98ECh. 11.4 - Coin TossingIf three fair coins are tossed, find...Ch. 11.4 - Coin Tossing If three fair coins are tossed, find...Ch. 11.4 - Coin TossingIf three fair coins are tossed, find...Ch. 11.4 - Prob. 4ECh. 11.4 - Prob. 5ECh. 11.4 - Prob. 6ECh. 11.4 - Prob. 7ECh. 11.4 - Prob. 8ECh. 11.4 - Prob. 9ECh. 11.4 - Prob. 10ECh. 11.4 - Prob. 11ECh. 11.4 - Prob. 12ECh. 11.4 - Binomial Probability Applied to Tossing Coins Use...Ch. 11.4 - Binomial Probability Applied to Tossing Coins Use...Ch. 11.4 - Binomial Probability Applied to Tossing Coins Use...Ch. 11.4 - Binomial Probability Applied to Tossing Coins Use...Ch. 11.4 - Prob. 17ECh. 11.4 - Binomial Probability Applied to Tossing Coins Use...Ch. 11.4 - Prob. 19ECh. 11.4 - Prob. 20ECh. 11.4 - Binomial Probability Applied to Rolling Dice A...Ch. 11.4 - Prob. 22ECh. 11.4 - For n repealed independent trials, with constant...Ch. 11.4 - For n repealed independent trials, with constant...Ch. 11.4 - Prob. 25ECh. 11.4 - Prob. 26ECh. 11.4 - Prob. 27ECh. 11.4 - Prob. 28ECh. 11.4 - Prob. 29ECh. 11.4 - Prob. 30ECh. 11.4 - Random Selection of Answers on a Multiple-choice...Ch. 11.4 - Random Selection of Answers on a Multiple-choice...Ch. 11.4 - Random Selection of Answers on a Multiple-choice...Ch. 11.4 - Random Selection of Answers on a Multiple-choice...Ch. 11.4 - Prob. 35ECh. 11.4 - Prob. 36ECh. 11.4 - Side Effects of Prescription Drugs It is known...Ch. 11.4 - Side Effects of Prescription Drugs It is known...Ch. 11.4 - Prob. 39ECh. 11.4 - Prob. 40ECh. 11.4 - Prob. 41ECh. 11.4 - Prob. 42ECh. 11.4 - Ball Choices A bag contains only white balls and...Ch. 11.4 - Prob. 44ECh. 11.4 - Prob. 45ECh. 11.4 - 46. Rate of Favorable Media Coverage of an...Ch. 11.4 - Prob. 47ECh. 11.4 - Prob. 48ECh. 11.4 - Prob. 49ECh. 11.4 - Prob. 50ECh. 11.4 - Prob. 51ECh. 11.4 - Prob. 52ECh. 11.4 - Prob. 53ECh. 11.4 - Prob. 54ECh. 11.4 - Prob. 55ECh. 11.5 - Coin Tosses Five fair coins are tossed. Find the...Ch. 11.5 - Card Choices Two cards are drawn, with...Ch. 11.5 - Expected Winnings in a Die-rolling Game A game...Ch. 11.5 - Expected Winnings in a Die-rolling Game A game...Ch. 11.5 - Expected Winnings in a Die-rolling Game For...Ch. 11.5 - Expected Winnings in a Die-rolling Game For...Ch. 11.5 - Expected Winnings in a Coin-tossing Game A certain...Ch. 11.5 - Prob. 8ECh. 11.5 - Prob. 9ECh. 11.5 - Expected Profit of an Insurance Company An...Ch. 11.5 - Prob. 11ECh. 11.5 - Profits from a College Foundation Raffle A college...Ch. 11.5 - Prob. 13ECh. 11.5 - Prob. 14ECh. 11.5 - Prob. 15ECh. 11.5 - Expected Sales at a Theater Snack Bar A children's...Ch. 11.5 - Prob. 17ECh. 11.5 - Prob. 18ECh. 11.5 - Prospects for Electronics Jobs in a City In a...Ch. 11.5 - Prob. 20ECh. 11.5 - Prob. 21ECh. 11.5 - Prob. 22ECh. 11.5 - Prob. 23ECh. 11.5 - Prob. 24ECh. 11.5 - Prob. 25ECh. 11.5 - Prob. 26ECh. 11.5 - Insurance Purchase David, the promoter of an...Ch. 11.5 - Prob. 28ECh. 11.5 - Insurance Purchase David, the promoter of an...Ch. 11.5 - Prob. 30ECh. 11.5 - Prob. 31ECh. 11.5 - Prob. 32ECh. 11.5 - Prob. 33ECh. 11.5 - ...Ch. 11.5 - Prob. 35ECh. 11.5 - Prob. 36ECh. 11.5 - Prob. 37ECh. 11.5 - Prob. 38ECh. 11.5 - Prob. 39ECh. 11.5 - Prob. 40ECh. 11.5 - Prob. 41ECh. 11.5 - Prob. 42ECh. 11.5 - One-and-One Free Throw Shooting In Exercises 88-90...Ch. 11.5 - One-and-One Free Throw Shooting In Exercises 88-90...Ch. 11.5 - Simulation with Coin Tossing A coin was actually...Ch. 11.5 - Prob. 46ECh. 11.5 - Simulation with Coin Tossing A coin was actually...Ch. 11.5 - Prob. 48ECh. 11.5 - Prob. 49ECh. 11.5 - Prob. 50ECh. 11.5 - In Exercises 51 and 52, consider another...Ch. 11.5 - Prob. 52ECh. 11.5 - Prob. 53ECh. 11 - Numbers from Sets of Digits Two numbers are...Ch. 11 - Prob. 2TCh. 11 - Prob. 3TCh. 11 - Prob. 4TCh. 11 - Prob. 5TCh. 11 - Prob. 6TCh. 11 - Prob. 7TCh. 11 - Prob. 8TCh. 11 - Prob. 9TCh. 11 - Prob. 10TCh. 11 - Prob. 11TCh. 11 - Prob. 12TCh. 11 - Prob. 13TCh. 11 - Prob. 14TCh. 11 - Prob. 15TCh. 11 - Prob. 16TCh. 11 - Prob. 17TCh. 11 - Prob. 18TCh. 11 - Prob. 19TCh. 11 - Prob. 20TCh. 11 - Prob. 21TCh. 11 - Making Par in Golf Ted has a 0.78 chance of making...Ch. 11 - Making Par in Golf Ted has a 0.78 chance of making...Ch. 11 - Prob. 24TCh. 11 - Prob. 25TCh. 11 - Prob. 26TCh. 11 - Prob. 27TCh. 11 - Prob. 28TCh. 11 - Prob. 29TCh. 11 - Prob. 30TCh. 11 - Prob. 31TCh. 11 - Simulation with Coin Tossing A coin was actually...
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