12th Edition

ISBN: 9780321837936

Author: Mario F. Triola

Publisher: PEARSON

Concept explainers

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Textbook Question

Chapter 5.3, Problem 1BSC

Calculating Probabilities Based on a Saint Index survey, assume that when adults are asked to identify the most unpopular projects for their hometown, 54% include Wal-Mart among their choices. Suppose we want to find the probability that when five adults are randomly selected, exactly two of them include Wal-Mart. What is wrong with using the multiplication rule to find the probability of getting two adults who include Wal-Mart followed by three people who do not include Wal-Mart, as in this calculation: (0.54)(0.54)(0.46)(0.46)(0.46)?

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Chapter 5 Solutions

Elementary Statistics

Ch. 5.2 - Random Variable Table 5-7 lists probabilities for...Ch. 5.2 - Discrete or Continuous? Is the random variable...Ch. 5.2 - Probability Distribution Does Table 5-7 describe a...Ch. 5.2 - Unusual For 200 births, the probability of exactly...Ch. 5.2 - Identifying Discrete and Continuous Random...Ch. 5.2 - Prob. 6BSC Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Identifying Probability Distributions. In...

Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Happiness In a survey sponsored by Coca-Cola,...Ch. 5.2 - Identifying Probability Distributions. In...Ch. 5.2 - Genetics. In Exercises 15-18, refer to the...Ch. 5.2 - Genetics. In Exercises 15-18, refer to the...Ch. 5.2 - Genetics. In Exercises 15-18, refer to the...Ch. 5.2 - Genetics. In Exercises 15-18, refer to the...Ch. 5.2 - Car Failures. In Exercises 19-22, refer to the...Ch. 5.2 - Car Failures. In Exercises 19-22, refer to the...Ch. 5.2 - Car Failures. In Exercises 19-22, refer to the...Ch. 5.2 - Prob. 22BSC Ch. 5.2 - Expected Value for the Texas Pick 3 Game In the...Ch. 5.2 - Expected Value in Maines Pick 4 Game In Maines...Ch. 5.2 - Prob. 25BB Ch. 5.2 - Expected Value for Deal or No Deal The television...Ch. 5.3 - Calculating Probabilities Based on a Saint Index...Ch. 5.3 - Consistent Notation If we use the binomial...Ch. 5.3 - Prob. 3BSC Ch. 5.3 - Notation of 0+ Using the same survey from Exercise...Ch. 5.3 - Identifying Binomial Distributions. In Exercises...Ch. 5.3 - Identifying Binomial Distributions. In Exercises...Ch. 5.3 - Veggie Survey In an Idaho Potato Commission survey...Ch. 5.3 - Veggie Survey In an Idaho Potato Commission survey...Ch. 5.3 - Surveying Senators The current Senate consists of...Ch. 5.3 - Identifying Binomial Distributions. In Exercises...Ch. 5.3 - Prob. 11BSC Ch. 5.3 - Prob. 12BSC Ch. 5.3 - Binomial Probability Formula. In Exercises 13 and...Ch. 5.3 - Prob. 14BSC Ch. 5.3 - Using the Binomial Probability Table. In Exercises...Ch. 5.3 - Prob. 16BSC Ch. 5.3 - Using the Binomial Probability Table. In Exercises...Ch. 5.3 - Prob. 18BSC Ch. 5.3 - Prob. 19BSC Ch. 5.3 - Using the Binomial Probability Table. In Exercises...Ch. 5.3 - Prob. 21BSC Ch. 5.3 - Prob. 22BSC Ch. 5.3 - Prob. 23BSC Ch. 5.3 - Prob. 24BSC Ch. 5.3 - Using Computer Results. In Exercises 2528, refer...Ch. 5.3 - Prob. 26BSC Ch. 5.3 - Prob. 27BSC Ch. 5.3 - Using Computer Results. In Exercises 2528, refer...Ch. 5.3 - See You Later Based on a Harris Interactive poll,...Ch. 5.3 - Live TV Based on a Comcast survey, there is a 0.8...Ch. 5.3 - Too Young to Tat Based on a Harris poll, among...Ch. 5.3 - Tainted Currency Based on the American Chemical...Ch. 5.3 - Prob. 33BSC Ch. 5.3 - Prob. 34BSC Ch. 5.3 - On-Time Flights The U.S. Department of...Ch. 5.3 - Prob. 36BSC Ch. 5.3 - Nielsen Rating CBS televised a recent Super Bowl...Ch. 5.3 - Overbooking Flights When someone buys a ticket for...Ch. 5.3 - XSORT Method of Gender Selection When testing a...Ch. 5.3 - Prob. 40BSC Ch. 5.3 - Prob. 41BSC Ch. 5.3 - Prob. 42BSC Ch. 5.3 - Acceptance Sampling. Exercises 35 and 36 involve...Ch. 5.3 - Prob. 44BSC Ch. 5.3 - Prob. 46BB Ch. 5.3 - Prob. 47BB Ch. 5.4 - Prob. 1BSC Ch. 5.4 - Prob. 2BSC Ch. 5.4 - Prob. 3BSC Ch. 5.4 - Prob. 4BSC Ch. 5.4 - Finding , , and Unusual Values. In Exercises 58,...Ch. 5.4 - Prob. 6BSC Ch. 5.4 - Prob. 7BSC Ch. 5.4 - Prob. 8BSC Ch. 5.4 - Prob. 9BSC Ch. 5.4 - Prob. 10BSC Ch. 5.4 - Are 20% of MM Candies Orange? Mars, Inc. claims...Ch. 5.4 - Are 14% of MM Candies Yellow? Mars, Inc. claims...Ch. 5.4 - Cell Phones and Brain Cancer In a study of 420,095...Ch. 5.4 - Prob. 14BSC Ch. 5.4 - Prob. 15BSC Ch. 5.4 - Prob. 16BSC Ch. 5.4 - Prob. 17BSC Ch. 5.4 - Prob. 18BSC Ch. 5.4 - Born on the 4th of July For the following...Ch. 5.4 - Prob. 20BSC Ch. 5.4 - Prob. 21BB Ch. 5.4 - Prob. 23BB Ch. 5.5 - Prob. 1BSC Ch. 5.5 - Prob. 2BSC Ch. 5.5 - Poission Approximation to Binomial Assume that we...Ch. 5.5 - Prob. 4BSC Ch. 5.5 - Aircraft Accidents. In Exercises 58, assume that...Ch. 5.5 - Aircraft Accidents. In Exercises 58, assume that...Ch. 5.5 - Aircraft Accidents. In Exercises 58, assume that...Ch. 5.5 - Aircraft Accidents. In Exercises 58, assume that...Ch. 5.5 - In Exercises 916, use the Poisson distribution to...Ch. 5.5 - Prob. 10BSC Ch. 5.5 - Prob. 11BSC Ch. 5.5 - Deaths from Horse Kicks A classical example of the...Ch. 5.5 - World War II Bombs In Exercise 1 Notation we noted...Ch. 5.5 - Prob. 14BSC Ch. 5.5 - Chocolate Chip Cookies In the production of...Ch. 5.5 - Chocolate Chip Cookies Consider an individual...Ch. 5.5 - Poisson Approximation to Binomial Distribution An...Ch. 5 - Is a probability distribution defined if the only...Ch. 5 - There are 100 questions from an SAT test, and they...Ch. 5 - Using the same SAT questions described in Exercise...Ch. 5 - Prob. 4CQQ Ch. 5 - If boys and girls are equally likely, groups of400...Ch. 5 - In Exercises 610, use the following: Five American...Ch. 5 - x p(x) 0 0+ 1 0.006 2 0.051 3 0.205 4 0.409 5...Ch. 5 - In Exercises 610, use the following: Five American...Ch. 5 - In Exercises 610, use the following: Five American...Ch. 5 - In Exercises 610, use the following: Five American...Ch. 5 - In Exercises 14, assume that 40% of the population...Ch. 5 - Prob. 2RE Ch. 5 - Prob. 3RE Ch. 5 - Brown Eyes When randomly selecting 600 people, the...Ch. 5 - In Exercises 5 and 6, refer to the table in die...Ch. 5 - In Exercises 5 and 6, refer to the table in die...Ch. 5 - Prob. 7RE Ch. 5 - Prob. 8RE Ch. 5 - Expected Value for a Magazine Sweepstakes Readers...Ch. 5 - Prob. 10RE Ch. 5 - Please be aware that some of the following...Ch. 5 - Ohio Pick 4 In Ohios Pick 4 game, you pay 1 to...Ch. 5 - Tennis Challenge In the last U.S. Open tennis...Ch. 5 - Prob. 4CRE Ch. 5 - Random Digits The digits 0, 1, 2,3,4, 5,6,7, 8,...Ch. 5 - Prob. 6CRE Ch. 5 - FROM DATA TO DECISION Critical Thinking: Did...

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Solution Summary: The author explains that the use of multiplication rule is incorrect as it does not consider all the possible combinations.

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Chapter 5 Solutions