12th Edition

ISBN: 9780321836960

Author: Mario F. Triola

Publisher: PEARSON

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Compound probability can be defined as the probability of the two events which are independent. It can be defined as the multiplication of the probability of two events that are not dependent.

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Probability theory is a branch of mathematics that deals with the subject of probability. Although there are many different concepts of probability, probability theory expresses the definition mathematically through a series of axioms. Usually, these axi…

Conditional Probability

By definition, the term probability is expressed as a part of mathematics where the chance of an event that may either occur or not is evaluated and expressed in numerical terms. The range of the value within which probability can be expressed is between…

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Textbook Question

Chapter 4.4, Problem 9BSC

Independent and Dependent Events. In Exercises 5–12, (a) determine whether events A and B are independent or dependent, and (b) find P(A and B), the probability that events A and B both occur.

9. A: When one of the 222 coins listed in Data Set 21 is randomly selected, it is one of the 5 Indian pennies.

B: When another one of the 222 coins listed in Data Set 21 is randomly selected, it is also one of the 5 Indian pennies.

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Chapter 4.4, Problem 8BSC

Chapter 4.4, Problem 10BSC

Chapter 4 Solutions

Elementary Statistics

Ch. 4.2 - Florida Lottery Let A denote the event of placing...Ch. 4.2 - Probability Given that the following statement is...Ch. 4.2 - Interpreting Weather While this exercise was being...Ch. 4.2 - Subjective Probability Estimate the probability...Ch. 4.2 - Prob. 5BSC Ch. 4.2 - Prob. 6BSC Ch. 4.2 - Prob. 7BSC Ch. 4.2 - Prob. 8BSC Ch. 4.2 - In Exercises 912, assume that 400 births are...Ch. 4.2 - In Exercises 912, assume that 400 births are...

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For...Ch. 4.3 - Determining Whether Events Are Disjoint. For...Ch. 4.3 - Whatever A Marist poll survey showed that 47% of...Ch. 4.3 - Online Courses According to the National...Ch. 4.3 - Flirting Survey In a Microsoft Instant Messaging...Ch. 4.3 - Finding Complements. In Exercises 58, find the...Ch. 4.3 - Drug Screening If one of the test subjects is...Ch. 4.3 - Drug Screening If one of the test subjects is...Ch. 4.3 - Drug Screening If one of the subjects it randomly...Ch. 4.3 - Drug Screening If one of the subjects is randomly...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Dosage Calculations. In Exercises 2126, use the...Ch. 4.3 - Survey Refusals. In Exercises 2732, refer to the...Ch. 4.3 - Survey Refusals. In Exercises 2732, refer to the...Ch. 4.3 - Survey Refusals. In Exercises 2732, refer to the...Ch. 4.3 - Survey Refusals. In Exercises 2732, refer to the...Ch. 4.3 - Prob. 31BSC Ch. 4.3 - Survey Refusals. In Exercises 2732, refer to the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - In Exercises 3338, use these results from the...Ch. 4.3 - Gender Selection When analyzing results from a...Ch. 4.3 - Disjoint Events If events A and B are disjoint and...Ch. 4.3 - Exclusive Or The formal addition rule expressed...Ch. 4.3 - Extending the Addition Rule Extend the formal...Ch. 4.3 - Complements and the Addition Rule a. 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In Exercises 58, provide a...Ch. 4.5 - Describing Complements. In Exercises 58, provide a...Ch. 4.5 - Describing Complements. In Exercises 58, provide a...Ch. 4.5 - Describing Complements. In Exercises 58, provide a...Ch. 4.5 - At Least One Correct Answer If you make random...Ch. 4.5 - At Least One Working Calculator A statistics...Ch. 4.5 - Probability of a Girl Assuming that boys and girls...Ch. 4.5 - At Least One Correct Answer If you make random...Ch. 4.5 - Births in the United States hi the United States,...Ch. 4.5 - Births in China In China, the probability of a...Ch. 4.5 - Car Crashes The probability of a randomly selected...Ch. 4.5 - Cleared Burglaries According 10 FBI data, 12.4% of...Ch. 4.5 - At Least One. In Exercises 5-12, find the...Ch. 4.5 - Compliments at Work Based on a poll conducted...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - In Exercises 19-24, refer to Table 4-1, included...Ch. 4.5 - Identical and Fraternal Twins. In Exercises 25-28,...Ch. 4.5 - Identical and Fraternal Twins. In Exercises 25-28,...Ch. 4.5 - Prob. 27BSC Ch. 4.5 - Prob. 28BSC Ch. 4.5 - Redundancy in Computer Hard Drives Assume that...Ch. 4.5 - Prob. 30BSC Ch. 4.5 - Composite Drug Screening Based on the data in...Ch. 4.5 - Composite Water Samples The Fairfield County...Ch. 4.5 - Prob. 33BB Ch. 4.5 - Prob. 34BB Ch. 4.6 - Prob. 1BSC Ch. 4.6 - Prob. 2BSC Ch. 4.6 - California Daily 4 The winning numbers for the...Ch. 4.6 - Selections with Replacement When randomly...Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - Prob. 9BSC Ch. 4.6 - Prob. 10BSC Ch. 4.6 - Prob. 11BSC Ch. 4.6 - Prob. 12BSC Ch. 4.6 - Prob. 13BSC Ch. 4.6 - Prob. 14BSC Ch. 4.6 - Prob. 15BSC Ch. 4.6 - Florida Lottery Winning the jackpot in the Florida...Ch. 4.6 - Prob. 17BSC Ch. 4.6 - Prob. 18BSC Ch. 4.6 - Prob. 19BSC Ch. 4.6 - Prob. 20BSC Ch. 4.6 - Prob. 21BSC Ch. 4.6 - Prob. 22BSC Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - Prob. 24BSC Ch. 4.6 - Jumble Puzzle Many newspapers carry Jumble, a...Ch. 4.6 - Jumble Puzzle Many newspapers carry Jumble, a...Ch. 4.6 - Prob. 27BSC Ch. 4.6 - Electricity When testing for current in a cable...Ch. 4.6 - Prob. 30BSC Ch. 4.6 - Prob. 31BSC Ch. 4.6 - In Exercises 5-36, express all probabilities as...Ch. 4.6 - Prob. 33BSC Ch. 4.6 - Prob. 34BSC Ch. 4.6 - Prob. 35BSC Ch. 4.6 - Prob. 36BSC Ch. 4.6 - Prob. 37BB Ch. 4.6 - Prob. 38BB Ch. 4.6 - Prob. 39BB Ch. 4.6 - Prob. 40BB Ch. 4 - A multiple-choice question on a statistics quiz...Ch. 4 - As the author is creating this exercise, a weather...Ch. 4 - Prob. 3CQQ Ch. 4 - Prob. 4CQQ Ch. 4 - Estimate the probability that a randomly selected...Ch. 4 - Prob. 6CQQ Ch. 4 - In Exercises 6-10, use site following results from...Ch. 4 - Prob. 8CQQ Ch. 4 - In Exercises 6-10, use site following results from...Ch. 4 - Prison and Plea. In Exercises 1-10, use the data...Ch. 4 - Prison and Plea. In Exercises 1-10, use the data...Ch. 4 - Prob. 3RE Ch. 4 - Prob. 4RE Ch. 4 - Prob. 5RE Ch. 4 - Prob. 6RE Ch. 4 - Prob. 7RE Ch. 4 - Prob. 8RE Ch. 4 - Prison and Plea. In Exercises 1-10, use the data...Ch. 4 - Prison and Plea. In Exercises 1-10, use the data...Ch. 4 - Prob. 11RE Ch. 4 - Prob. 12RE Ch. 4 - Prob. 13RE Ch. 4 - Prob. 14RE Ch. 4 - Prob. 15RE Ch. 4 - Prob. 16RE Ch. 4 - Prob. 17RE Ch. 4 - Trifecta In horse racing, a trifecta is a bet that...Ch. 4 - Prob. 1CRE Ch. 4 - Unusual/Unlikely Events a. The mean pulse rate for...Ch. 4 - Prob. 3CRE Ch. 4 - Prob. 4CRE Ch. 4 - Sampling Eye Color Based on a study by Dr. P....Ch. 4 - Prob. 6CRE Ch. 4 - Prob. 7CRE Ch. 4 - Prob. 1FDD Ch. 4 - Prob. 2FDD Ch. 4 - Prob. 3FDD Ch. 4 - Prob. 4FDD Ch. 4 - Prob. 5FDD Ch. 4 - Prob. 6FDD Ch. 4 - Prob. 7FDD Ch. 4 - Critical Thinking: Interpreting medical test...Ch. 4 - Prob. 9FDD

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Solution Summary: The author explains the probability that events A and B both occur.

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Chapter 4 Solutions