STATS:DATA+MODELS(LL)-W/ACCESS>CUSTOM<
STATS:DATA+MODELS(LL)-W/ACCESS>CUSTOM<
21st Edition
ISBN: 9780137643219
Author: DeVeaux
Publisher: PEARSON
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Concept explainers

Contingency Table
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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Chapter 13, Problem 52E

a.

To determine

Explain how owning an e-reader and reading at least one book in the previous year are not independent.

b.

To determine

Find the probability that a randomly selected adult from Country U has an e-reader but did not use it to read an e-book in the previous year.

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Chapter 13 Solutions

STATS:DATA+MODELS(LL)-W/ACCESS>CUSTOM<

Ch. 13.1 - 1. Back in Chapter 1, we suggested that you sample...Ch. 13.3 - JUST CHECKING 4. The American Association for...Ch. 13.4 - JUST CHECKING 5. Remember our sample of pages in...Ch. 13 - Prob. 1ECh. 13 - Cooking and shopping Forty-five percent of...Ch. 13 - Sports What is the probability that a person likes...Ch. 13 - Sports again From Exercise 3, if someone doesn’t...Ch. 13 - Late to the train A student figures that he has a...Ch. 13 - Field goals A nervous kicker usually makes 70% of...Ch. 13 - Titanic On the Titanic, the probability of...
Ch. 13 - Births If the sex of a child is independent of all...Ch. 13 - Facebook Facebook reports that 70% of its users...Ch. 13 - Online banking A national survey indicated that...Ch. 13 - Facebook again Suppose that the information in...Ch. 13 - Online banking again Suppose that the information...Ch. 13 - Facebook final Given the probabilities in Exercise...Ch. 13 - Online banking last time Given the probabilities...Ch. 13 - Phones Recent research suggests that 73% of...Ch. 13 - Travel Suppose the probability that a U.S....Ch. 13 - Amenities A check of dorm rooms on a large college...Ch. 13 - Workers Employment data at a large company reveal...Ch. 13 - Global survey The marketing research organization...Ch. 13 - Birth order A survey of students in a large...Ch. 13 - 21. Cards You draw a card at random front a...Ch. 13 - Pets In its monthly report, the local animal...Ch. 13 - 59. Health The probabilities that an adult...Ch. 13 - 60. Immigration The table shows the political...Ch. 13 - 25. Global survey, take 2 Look again at the table...Ch. 13 - 26. Birth order, take 2 Look again at the data...Ch. 13 - Sick kids Seventy percent of kids who visit a...Ch. 13 - Sick cars Twenty percent of cars that are...Ch. 13 - 29. Cards You are dealt a hand of three cards, one...Ch. 13 - 30. Another hand You pick three cards at random...Ch. 13 - 63. Batteries A junk box in your room contains a...Ch. 13 - 64. Shirts The soccer team’s shirts have arrived...Ch. 13 - 65. Eligibility A university requires its biology...Ch. 13 - 66. Benefits Fifty-six percent of all American...Ch. 13 - 35. Cell phones in the home A survey found that...Ch. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - Prob. 38ECh. 13 - Prob. 39ECh. 13 - 40. Birth order, finis In Exercises 20 and 26, we...Ch. 13 - Prob. 41ECh. 13 - Prob. 42ECh. 13 - Prob. 43ECh. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - Prob. 49ECh. 13 - Prob. 50ECh. 13 - Prob. 51ECh. 13 - Prob. 52ECh. 13 - Prob. 53ECh. 13 - Prob. 54ECh. 13 - Prob. 55ECh. 13 - 82. No-shows An airline offers discounted...Ch. 13 - Prob. 57ECh. 13 - Prob. 58ECh. 13 - Prob. 59E
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