Mathematics All Around (6th Edition)
Mathematics All Around (6th Edition)
6th Edition
ISBN: 9780134506470
Author: Pirnot
Publisher: PEARSON
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Addition Rule of Probability
It simply refers to the likelihood of an event taking place whenever the occurrence of an event is uncertain. The probability of a single event can be calculated by dividing the number of successful trials of that event by the total number of trials.
Expected Value
When a large number of trials are performed for any random variable ‘X’, the predicted result is most likely the mean of all the outcomes for the random variable and it is known as expected value also known as expectation. The expected value, also known …
Probability Distributions
Understanding probability is necessary to know the probability distributions. In statistics, probability is how the uncertainty of an event is measured. This event can be anything. The most common examples include tossing a coin, rolling a die, or choosi…
Basic Probability
The simple definition of probability it is a chance of the occurrence of an event. It is defined in numerical form and the probability value is between 0 to 1. The probability value 0 indicates that there is no chance of that event occurring and the prob…
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Chapter 13.3, Problem 3E

In Exercises 1–4, assume that we are rolling two fair dice. First compute P ( F ) and then P ( F | E ) . Explain why you would expect the probability of F to change as it did when we added the condition that E had occurred.

E—a three shows on at least one of the dice.

F—the total is less than five.

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Chapter 13 Solutions

Mathematics All Around (6th Edition)

Ch. 13.1 - In Exercises 14 , write each event as a set of...Ch. 13.1 - In Exercises 14 , write each event as a set of...Ch. 13.1 - In Exercises 14 , write each event as a set of...Ch. 13.1 - Prob. 4ECh. 13.1 - In Exercises 58, use the given spinner to write...Ch. 13.1 - Prob. 6ECh. 13.1 - In Exercises 58, use the given spinner to write...Ch. 13.1 - In Exercises 58, use the given spinner to write...Ch. 13.1 - We are rolling two four-sided dice having the...Ch. 13.1 - We are rolling two four-sided dice. One die has...
Ch. 13.1 - Singers E nrique, K aty, R ihanna, and B runo are...Ch. 13.1 - We are flipping four coins. Outcomes in the sample...Ch. 13.1 - An experimenter testing for extrasensory...Ch. 13.1 - Choosing seats in a theater. Amy and Louisa are...Ch. 13.1 - In Exercises 1518, a Find the probability of the...Ch. 13.1 - In Exercises 1518, a Find the probability of the...Ch. 13.1 - In Exercises 1518, a Find the probability of the...Ch. 13.1 - Prob. 18ECh. 13.1 - In Exercises 1922, assume that we are drawing a...Ch. 13.1 - Prob. 20ECh. 13.1 - In Exercises 1922, assume that we are drawing a...Ch. 13.1 - Prob. 22ECh. 13.1 - The residents of a small town and the surrounding...Ch. 13.1 - The residents of a small town and the surrounding...Ch. 13.1 - Applying What Youve Learned The residents of a...Ch. 13.1 - Applying What Youve Learned The residents of a...Ch. 13.1 - Gender and probability. In a given year, 2,048,861...Ch. 13.1 - Playing a carnival game. A fish pond at a carnival...Ch. 13.1 - Selecting cookies. In Exercises 2932, a cookie is...Ch. 13.1 - Selecting cookies. In Exercises 2932, a cookie is...Ch. 13.1 - Selecting cookies. In Exercises 2932, a cookie is...Ch. 13.1 - Prob. 32ECh. 13.1 - Genetics. The following table lists some of the...Ch. 13.1 - Prob. 34ECh. 13.1 - Prob. 35ECh. 13.1 - Prob. 36ECh. 13.1 - In cross-breeding snapdragons, Mendel found that...Ch. 13.1 - In cross-breeding snapdragons, Mendel found that...Ch. 13.1 - Cystic fibrosis. Cystic fibrosis is a serious...Ch. 13.1 - Cystic fibrosis. From the Punnett square in...Ch. 13.1 - For Exercises 4144, assume that a dart is thrown...Ch. 13.1 - For Exercises 4144, assume that a dart is thrown...Ch. 13.1 - Prob. 43ECh. 13.1 - Prob. 44ECh. 13.1 - Grades and living arrangements. Assume that the...Ch. 13.1 - Prob. 46ECh. 13.1 - Use this replica of the Monopoly game board to...Ch. 13.1 - Prob. 48ECh. 13.1 - Prob. 49ECh. 13.1 - Prob. 50ECh. 13.1 - Prob. 51ECh. 13.1 - Prob. 52ECh. 13.1 - Prob. 53ECh. 13.1 - Prob. 54ECh. 13.1 - Use spinners A, B, and C below to do Exercises 55...Ch. 13.1 - Use spinners A, B, and C below to do Exercises 55...Ch. 13.1 - In horse racing, a trifecta is a race in which you...Ch. 13.1 - In horse racing, a trifecta is a race in which you...Ch. 13.1 - If the odds against event E are 5 to 2, what is...Ch. 13.1 - If P(E)=0.45, then what are the odds against E?Ch. 13.1 - Prob. 61ECh. 13.1 - Prob. 62ECh. 13.1 - Prob. 63ECh. 13.1 - Prob. 64ECh. 13.1 - The casino game of craps is played by a person...Ch. 13.1 - Prob. 66ECh. 13.1 - Winning at Powerball. Research and find the...Ch. 13.1 - Prob. 68ECh. 13.1 - Prob. 69ECh. 13.1 - Prob. 70ECh. 13.1 - Prob. 71ECh. 13.1 - Prob. 72ECh. 13.1 - Prob. 73ECh. 13.1 - Explain the difference between the probability of...Ch. 13.1 - Prob. 75ECh. 13.1 - Prob. 76ECh. 13.1 - Prob. 77ECh. 13.1 - Prob. 78ECh. 13.1 - Prob. 79ECh. 13.1 - Prob. 80ECh. 13.1 - a. Flip a coin 100 times. How do your empirical...Ch. 13.1 - Prob. 83ECh. 13.2 - In Exercises 18, use the complement formula to...Ch. 13.2 - In Exercises 18, use the complement formula to...Ch. 13.2 - In Exercises 18, use the complement formula to...Ch. 13.2 - In Exercises 18, use the complement formula to...Ch. 13.2 - In Exercises 58, consider the complement of the...Ch. 13.2 - In Exercises 58, consider the complement of the...Ch. 13.2 - In Exercises 58, consider the complement of the...Ch. 13.2 - In Exercises 58, consider the complement of the...Ch. 13.2 - Drawing cards. If a single card is drawn from a...Ch. 13.2 - Drawing cards. If a single card is drawn from a...Ch. 13.2 - Probability and the weather. If the probability of...Ch. 13.2 - Prob. 12ECh. 13.2 - In Exercises 1316, assume that A and B are events....Ch. 13.2 - In Exercises 1316, assume that A and B are events....Ch. 13.2 - In Exercises 1316, assume that A and B are events....Ch. 13.2 - In Exercises 1316, assume that A and B are events....Ch. 13.2 - Assume that P(A)=0.45,P(AB)=0.15, and the...Ch. 13.2 - Prob. 18ECh. 13.2 - Use the following table from the U.S. Bureau of...Ch. 13.2 - Use the following table from the U.S. Bureau of...Ch. 13.2 - Income and internet usage. Use the following table...Ch. 13.2 - Income and internet usage. Use the following table...Ch. 13.2 - Income and internet usage. Use the following table...Ch. 13.2 - Income and internet usage. Use the following table...Ch. 13.2 - Part-time work and time to graduate. The following...Ch. 13.2 - Prob. 26ECh. 13.2 - Part-time work and time to graduate. The following...Ch. 13.2 - Prob. 28ECh. 13.2 - If we draw a card from a standard 52-card deck,...Ch. 13.2 - Prob. 30ECh. 13.2 - Prob. 31ECh. 13.2 - Predicting final exam questions. From studying...Ch. 13.2 - A college administration has conducted a study of...Ch. 13.2 - A college administration has conducted a study of...Ch. 13.2 - A college administration has conducted a study of...Ch. 13.2 - A college administration has conducted a study of...Ch. 13.2 - Selling defective cameras. A manufacturer has...Ch. 13.2 - Winning a raffle. The 35-member college ski club...Ch. 13.2 - Serving spoiled food. The Sashimi restaurant has...Ch. 13.2 - Winning a prize. Eighteen students are being...Ch. 13.2 - Prob. 41ECh. 13.2 - Prob. 42ECh. 13.2 - Prob. 43ECh. 13.2 - If P(EF)=P(E)+P(F), what can you conclude about...Ch. 13.2 - Prob. 45ECh. 13.2 - Prob. 46ECh. 13.2 - Prob. 47ECh. 13.2 - Prob. 48ECh. 13.2 - Prob. 49ECh. 13.2 - Prob. 50ECh. 13.2 - Prob. 51ECh. 13.2 - Prob. 52ECh. 13.2 - Prob. 53ECh. 13.2 - Prob. 54ECh. 13.3 - In Exercises 14, assume that we are rolling two...Ch. 13.3 - In Exercises 14, assume that we are rolling two...Ch. 13.3 - In Exercises 14, assume that we are rolling two...Ch. 13.3 - In Exercises 14, assume that we are rolling two...Ch. 13.3 - In Exercises 58, we are drawing a single card from...Ch. 13.3 - In Exercises 58, we are drawing a single card from...Ch. 13.3 - In Exercises 58, we are drawing a single card from...Ch. 13.3 - In Exercises 58, we are drawing a single card from...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - You are to randomly pick one disk from a bag that...Ch. 13.3 - Probability and drawing cards. In Exercises 1520,...Ch. 13.3 - Probability and drawing cards. In Exercises 1520,...Ch. 13.3 - Probability and drawing cards. In Exercises 1520,...Ch. 13.3 - Prob. 18ECh. 13.3 - Probability and drawing cards. In Exercises 1520,...Ch. 13.3 - Prob. 20ECh. 13.3 - Prob. 21ECh. 13.3 - We are drawing 2 cards with replacement from a...Ch. 13.3 - For Exercises 2326, assume that you are drawing...Ch. 13.3 - For Exercises 2326, assume that you are drawing...Ch. 13.3 - For Exercises 2326, assume that you are drawing...Ch. 13.3 - For Exercises 2326, assume that you are drawing...Ch. 13.3 - Prob. 27ECh. 13.3 - Prob. 28ECh. 13.3 - Prob. 29ECh. 13.3 - Prob. 30ECh. 13.3 - The editors of Auto Web have evaluated several E...Ch. 13.3 - Prob. 32ECh. 13.3 - Prob. 33ECh. 13.3 - Prob. 34ECh. 13.3 - Prob. 35ECh. 13.3 - Prob. 36ECh. 13.3 - Prob. 37ECh. 13.3 - Prob. 38ECh. 13.3 - Prob. 39ECh. 13.3 - In Exercises 3540, an experiment and two events...Ch. 13.3 - According to U.S. government statistics,...Ch. 13.3 - Prob. 42ECh. 13.3 - According to U.S. government statistics,...Ch. 13.3 - Prob. 44ECh. 13.3 - Probability and political preferences. The...Ch. 13.3 - Prob. 46ECh. 13.3 - Probability and political preferences. The...Ch. 13.3 - Prob. 48ECh. 13.3 - Prob. 49ECh. 13.3 - Prob. 50ECh. 13.3 - Prob. 51ECh. 13.3 - Prob. 52ECh. 13.3 - Prob. 53ECh. 13.3 - Prob. 54ECh. 13.3 - Prob. 55ECh. 13.3 - Prob. 56ECh. 13.3 - Selecting a dormitory room. Exercises 57 and 58...Ch. 13.3 - Prob. 58ECh. 13.3 - Prob. 59ECh. 13.3 - Prob. 60ECh. 13.3 - Prob. 61ECh. 13.3 - Prob. 62ECh. 13.3 - Prob. 63ECh. 13.3 - Prob. 64ECh. 13.3 - Product reliability. You want to purchase a DVD...Ch. 13.3 - Prob. 66ECh. 13.3 - Product reliability. You want to purchase a DVD...Ch. 13.3 - Prob. 68ECh. 13.3 - Prob. 69ECh. 13.3 - Prob. 70ECh. 13.3 - Prob. 71ECh. 13.3 - Prob. 72ECh. 13.3 - Prob. 73ECh. 13.3 - Prob. 74ECh. 13.3 - Prob. 75ECh. 13.3 - Prob. 76ECh. 13.3 - Prob. 77ECh. 13.3 - Prob. 78ECh. 13.3 - Prob. 79ECh. 13.3 - Prob. 80ECh. 13.3 - Prob. 81ECh. 13.3 - Prob. 82ECh. 13.3 - Prob. 83ECh. 13.4 - In Exercises 1 and 2, we give the probabilities...Ch. 13.4 - In Exercises 1 and 2, we give the probabilities...Ch. 13.4 - In Exercises 3 and 4, you are playing a game in...Ch. 13.4 - In Exercises 3 and 4, you are playing a game in...Ch. 13.4 - In Exercises 5and 6, you pay 1 to play a game in...Ch. 13.4 - Prob. 6ECh. 13.4 - Prob. 7ECh. 13.4 - Prob. 8ECh. 13.4 - In Exercises 912, first calculate the expected...Ch. 13.4 - Prob. 10ECh. 13.4 - In Exercises 912, first calculate the expected...Ch. 13.4 - In Exercises 912, first calculate the expected...Ch. 13.4 - Evaluating a franchises profits. Grace Adler is...Ch. 13.4 - Prob. 14ECh. 13.4 - Prob. 15ECh. 13.4 - In Exercises 1518, we describe several ways to bet...Ch. 13.4 - Prob. 17ECh. 13.4 - Prob. 18ECh. 13.4 - In Exercises 1922, a student is taking the GRE,...Ch. 13.4 - Prob. 20ECh. 13.4 - In Exercises 1922, a student is taking the GRE,...Ch. 13.4 - Prob. 22ECh. 13.4 - Prob. 23ECh. 13.4 - Assume that you have 10,000 to invest in stocks,...Ch. 13.4 - Prob. 25ECh. 13.4 - Assume that you have 10,000 to invest in stocks,...Ch. 13.4 - Prob. 27ECh. 13.4 - Prob. 28ECh. 13.4 - Your insurance company has a policy to insure...Ch. 13.4 - Assume that you have a used car worth 6,500 and...Ch. 13.4 - A company estimates that it has a 60 chance of...Ch. 13.4 - Prob. 32ECh. 13.4 - Prob. 33ECh. 13.4 - Prob. 34ECh. 13.4 - Prob. 35ECh. 13.4 - Prob. 36ECh. 13.4 - Beating the lottery. Search online for...Ch. 13.4 - Prob. 39ECh. 13.4 - Estimating daily profit. Mike sells the Town...Ch. 13.4 - Prob. 41ECh. 13.4 - Prob. 42ECh. 13.4 - Prob. 43ECh. 13.4 - Prob. 44ECh. 13.5 - In Exercises 16, determine whether each experiment...Ch. 13.5 - Prob. 2ECh. 13.5 - Prob. 3ECh. 13.5 - Prob. 4ECh. 13.5 - Prob. 5ECh. 13.5 - Prob. 6ECh. 13.5 - Prob. 7ECh. 13.5 - Prob. 8ECh. 13.5 - Prob. 9ECh. 13.5 - Prob. 10ECh. 13.5 - Prob. 11ECh. 13.5 - Prob. 12ECh. 13.5 - Prob. 13ECh. 13.5 - Prob. 14ECh. 13.5 - Prob. 15ECh. 13.5 - Prob. 16ECh. 13.5 - Prob. 17ECh. 13.5 - Prob. 18ECh. 13.5 - Prob. 19ECh. 13.5 - Prob. 20ECh. 13.5 - Prob. 21ECh. 13.5 - Prob. 22ECh. 13.5 - Prob. 23ECh. 13.5 - Prob. 24ECh. 13.5 - Prob. 25ECh. 13.5 - Assume that a child is buying packages of candy...Ch. 13.5 - Prob. 27ECh. 13.5 - Prob. 28ECh. 13.5 - Prob. 29ECh. 13.5 - Prob. 30ECh. 13.CR - 1. Describe each event as a set of outcomes. a....Ch. 13.CR - If a single card is selected from a standard...Ch. 13.CR - Explain the difference between empirical and...Ch. 13.CR - 4. In cross-breeding pea plants, Mendel found that...Ch. 13.CR - Prob. 5CRCh. 13.CR - Prob. 6CRCh. 13.CR - Prob. 7CRCh. 13.CR - Prob. 8CRCh. 13.CR - Explain in your own words what we mean by...Ch. 13.CR - Prob. 10CRCh. 13.CR - Prob. 11CRCh. 13.CR - Prob. 12CRCh. 13.CR - Prob. 13CRCh. 13.CR - Prob. 14CRCh. 13.CR - Prob. 15CRCh. 13.CR - You are playing a game in which four fair coins...Ch. 13.CR - Calculate B(8,3;12).Ch. 13.CR - Prob. 18CRCh. 13.CT - Describe each event as a set of outcomes. a. When...Ch. 13.CT - 2. If we select a single card from a standard...Ch. 13.CT - 3. a. If the odds against the Dolphins winning the...Ch. 13.CT - 4. If we draw a single card from a standard...Ch. 13.CT - Prob. 5CTCh. 13.CT - Prob. 6CTCh. 13.CT - Prob. 7CTCh. 13.CT - Prob. 8CTCh. 13.CT - Prob. 9CTCh. 13.CT - Prob. 10CTCh. 13.CT - Prob. 11CTCh. 13.CT - Prob. 12CTCh. 13.CT - It costs 2 to buy a raffle ticket. If there are...Ch. 13.CT - Prob. 14CTCh. 13.CT - 15. Assume that 2 cards are drawn without...
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