Statistics: Informed Decisions Using Data (5th Edition)
Statistics: Informed Decisions Using Data (5th Edition)
5th Edition
ISBN: 9780134133539
Author: Michael Sullivan III
Publisher: PEARSON
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Concept explainers

Compound Probability
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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Chapter 4.4, Problem 7AYU

(a)

To determine

The number of adult Americans surveyed.

To determine

The number of Americans surveyed who are 55 or older.

(b)

To determine

To construct: The relative frequency marginal distribution.

(c)

To determine

To obtain: The probability of Americans who are more likely to buy a product after listening to an ad that says “Made in America.”

To determine

To construct: The conditional distribution of the likelihood to buy a product after seeing an ad provided for the age variable.

(e)

To determine

To draw: A bar graph of conditional probability.

(e)

To determine

To explain: The relationship between the likelihood to buy and age.

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Chapter 4 Solutions

Statistics: Informed Decisions Using Data (5th Edition)

Ch. 4.1 - 1. What is the difference between univariate data...Ch. 4.1 - Prob. 2AYUCh. 4.1 - Prob. 3AYUCh. 4.1 - 4. What does it mean to say two variables are...Ch. 4.1 - Prob. 5AYUCh. 4.1 - 6. True or False: If the linear correlation...Ch. 4.1 - 7. A ______ variable is a variable that is related...Ch. 4.1 - Prob. 8AYUCh. 4.1 - Prob. 9AYUCh. 4.1 - Prob. 10AYU
Ch. 4.1 - Prob. 11AYUCh. 4.1 - Prob. 12AYUCh. 4.1 - 13. Match the linear correlation coefficient to...Ch. 4.1 - 14. Match the linear correlation coefficient to...Ch. 4.1 - Prob. 15AYUCh. 4.1 - 16. Relation between Education and Birthrate? The...Ch. 4.1 - Prob. 17AYUCh. 4.1 - Prob. 18AYUCh. 4.1 - Prob. 19AYUCh. 4.1 - Prob. 20AYUCh. 4.1 - 21. Name the Relation, Part I For each of the...Ch. 4.1 - 22. Name the Relation, Part II For each of the...Ch. 4.1 - Prob. 23AYUCh. 4.1 - Prob. 24AYUCh. 4.1 - Prob. 25AYUCh. 4.1 - Prob. 26AYUCh. 4.1 - Prob. 27AYUCh. 4.1 - 28. American Black Bears The American black bear...Ch. 4.1 - Prob. 29AYUCh. 4.1 - Prob. 30AYUCh. 4.1 - Prob. 31AYUCh. 4.1 - Prob. 32AYUCh. 4.1 - Prob. 33AYUCh. 4.1 - Prob. 34AYUCh. 4.1 - Prob. 35AYUCh. 4.1 - 36. American Black Bears The website that...Ch. 4.1 - Prob. 37AYUCh. 4.1 - 38. Predicting Winning Percentage The ultimate...Ch. 4.1 - Prob. 39AYUCh. 4.1 - 40. Lyme Disease versus Drownings Lyme disease is...Ch. 4.1 - Prob. 41AYUCh. 4.1 - 42. Obesity In a study published in the Journal of...Ch. 4.1 - Prob. 43AYUCh. 4.1 - Prob. 44AYUCh. 4.1 - Prob. 45AYUCh. 4.1 - Prob. 46AYUCh. 4.1 - Prob. 47AYUCh. 4.1 - Prob. 48AYUCh. 4.1 - Prob. 49AYUCh. 4.1 - Prob. 50AYUCh. 4.1 - Prob. 51AYUCh. 4.1 - 52. Write a paragraph that explains the concept of...Ch. 4.1 - Prob. 53AYUCh. 4.1 - Prob. 54AYUCh. 4.1 - Prob. 55AYUCh. 4.1 - Prob. 56AYUCh. 4.2 - 1. The difference between the observed and...Ch. 4.2 - 2. If the linear correlation between two variables...Ch. 4.2 - 3. True or False: The least-squares regression...Ch. 4.2 - 4. If the linear correlation coefficient is 0,...Ch. 4.2 - Prob. 5AYUCh. 4.2 - 6. For the data...Ch. 4.2 - In Problems 7–12: (a) By hand, draw a scatter...Ch. 4.2 - Prob. 8AYUCh. 4.2 - In Problems 7–12: (a) By hand, draw a scatter...Ch. 4.2 - Prob. 10AYUCh. 4.2 - In Problems 7–12: (a) By hand, draw a scatter...Ch. 4.2 - In Problems 7–12: (a) By hand, draw a scatter...Ch. 4.2 - Prob. 13AYUCh. 4.2 - Prob. 14AYUCh. 4.2 - 15. Age Gap at Marriage Is there a relation...Ch. 4.2 - 16. You Explain It! CO2 and Energy Production The...Ch. 4.2 - Prob. 17AYUCh. 4.2 - Problems 17–22 use the results from Problems 25–30...Ch. 4.2 - Prob. 19AYUCh. 4.2 - Problems 17–22 use the results from Problems 25–30...Ch. 4.2 - Prob. 21AYUCh. 4.2 - Prob. 22AYUCh. 4.2 - Prob. 23AYUCh. 4.2 - 24. Attending Class The following data represent...Ch. 4.2 - Prob. 25AYUCh. 4.2 - Prob. 26AYUCh. 4.2 - Prob. 27AYUCh. 4.2 - 28. Graduation Rates Go to...Ch. 4.2 - Prob. 29AYUCh. 4.2 - 30. Putting It Together: Smoking and Birth Weight...Ch. 4.2 - Prob. 31AYUCh. 4.2 - 32. Explain the phrase outside the scope of the...Ch. 4.2 - Prob. 33AYUCh. 4.2 - Prob. 34AYUCh. 4.2 - Prob. 35AYUCh. 4.3 - 1. The ___ ___ ___, R2, measures the proportion of...Ch. 4.3 - Prob. 2AYUCh. 4.3 - 3. A _____ _____ is a scatter diagram with the...Ch. 4.3 - 4. What is an influential observation? Ch. 4.3 - Prob. 5AYUCh. 4.3 - In Problems 5–8, analyze the residual plots and...Ch. 4.3 - Prob. 7AYUCh. 4.3 - Prob. 8AYUCh. 4.3 - Prob. 9AYUCh. 4.3 - Prob. 10AYUCh. 4.3 - Prob. 11AYUCh. 4.3 - Prob. 12AYUCh. 4.3 - Prob. 13AYUCh. 4.3 - Prob. 14AYUCh. 4.3 - Prob. 15AYUCh. 4.3 - Prob. 16AYUCh. 4.3 - Prob. 17AYUCh. 4.3 - Prob. 18AYUCh. 4.3 - Prob. 19AYUCh. 4.3 - Prob. 20AYUCh. 4.3 - Prob. 21AYUCh. 4.3 - Problems 19–24 use the results from Problems 25–30...Ch. 4.3 - Prob. 23AYUCh. 4.3 - Prob. 24AYUCh. 4.3 - Prob. 25AYUCh. 4.3 - Prob. 26AYUCh. 4.3 - Prob. 27AYUCh. 4.3 - Prob. 28AYUCh. 4.3 - Prob. 29AYUCh. 4.3 - Prob. 30AYUCh. 4.3 - 31. Putting It Together: A Tornado Model Is the...Ch. 4.3 - Prob. 32AYUCh. 4.3 - Prob. 33AYUCh. 4.4 - 1. What is meant by a marginal distribution? What...Ch. 4.4 - Prob. 2AYUCh. 4.4 - Prob. 3AYUCh. 4.4 - Prob. 4AYUCh. 4.4 - In Problems 5 and 6, (a) Construct a frequency...Ch. 4.4 - Prob. 6AYUCh. 4.4 - 7. Made in America In a recent Harris Poll, a...Ch. 4.4 - Prob. 8AYUCh. 4.4 - 9. Party Affiliation Is there an association...Ch. 4.4 - 10. Feelings on Abortion The Pew Research Center...Ch. 4.4 - 11. Health and Happiness The General Social Survey...Ch. 4.4 - Prob. 12AYUCh. 4.4 - 13. Smoking Is Healthy? Could it be that smoking...Ch. 4.4 - Prob. 14AYUCh. 4.4 - Prob. 15AYUCh. 4 - Prob. 1RECh. 4 - 2. Fat and Calories in Cheeseburgers A...Ch. 4 - Prob. 3RECh. 4 - 4. Using the data and results from Problem 2, do...Ch. 4 - Prob. 5RECh. 4 - Prob. 6RECh. 4 - Prob. 7RECh. 4 - Prob. 8RECh. 4 - Prob. 9RECh. 4 - 10. Use the results from Problems 2 and 4 for the...Ch. 4 - Prob. 11RECh. 4 - Prob. 12RECh. 4 - 13. Depreciation The following data represent the...Ch. 4 - Prob. 14RECh. 4 - Prob. 15RECh. 4 - Prob. 16RECh. 4 - Prob. 17RECh. 4 - Prob. 18RECh. 4 - Prob. 19RECh. 4 - Prob. 1CTCh. 4 - Prob. 2CTCh. 4 - Prob. 3CTCh. 4 - Prob. 4CTCh. 4 - Prob. 5CTCh. 4 - Prob. 6CTCh. 4 - Prob. 7CTCh. 4 - Prob. 8CTCh. 4 - Prob. 9CTCh. 4 - Prob. 10CTCh. 4 - Prob. 11CTCh. 4 - Prob. 1CSCh. 4 - Prob. 2CSCh. 4 - Prob. 3CSCh. 4 - 4. Determine the number of acres of farmland A in...Ch. 4 - Prob. 5CSCh. 4 - Prob. 6CS
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