STATS:DATA+MODELS-W/DVD
STATS:DATA+MODELS-W/DVD
4th Edition
ISBN: 9780321986498
Author: DeVeaux
Publisher: PEARSON
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Chapter 2, Problem 28E

a.

To determine

Find the percent of the class, who is male.

b.

To determine

Find the percent of the class that considers themselves to be “conservative”.

c.

To determine

Find the percent of the males in the class who considers themselves to be “conservative”.

d.

To determine

Find the percent of all students in the class who are males and who consider themselves to be “conservative”.

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A common way for two people to settle a frivolous dispute is to play a game of rock-paper-scissors. In this game, each person simultaneously displays a hand signal to indicate a rock, a piece of paper, or a pair of scissors. Rock beats scissors, scissors beats paper, and paper beats rock. If both players select the same hand signal, the game results in a tie. Two roommates, roommate A and roommate B, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate A suggests a game of rock-paper-scissors to settle the dispute.      Consider the game of rock-paper-scissors to be an experiment. In the long run, roommate A chooses rock 21% of the time, and roommate B chooses rock 61% of the time; roommate A selects paper 39% of the time, and roommate B selects paper 21% of the time; roommate A chooses scissors 40% of the time, and roommate B chooses scissors 18% of the time. (These choices are made randomly and independently of each…

Chapter 2 Solutions

STATS:DATA+MODELS-W/DVD

Ch. 2 - 6. Marriage in decline Changing attitudes about...Ch. 2 - 5. Movies again The following table summarizes 348...Ch. 2 - 6. Labor force The following table shows the labor...Ch. 2 - 11. Movie genres II The pie chart summarizes the...Ch. 2 - Movie ratings The pie chart shows the ratings...Ch. 2 - 13. Genres again Here is a bar chart summarizing...Ch. 2 - Ratings again Here is a bar chart of the movie...Ch. 2 - 37. Magnet schools An article in the Winter 2003...Ch. 2 - 38. Magnet schools again The Chance article about...Ch. 2 - Causes of death 2011 The Centers for Disease...Ch. 2 - Plane crashes An investigation compiled...Ch. 2 - Oil spills 2013 Data from the International Tanker...Ch. 2 - 20. Winter Olympics 2010 Twenty-six countries won...Ch. 2 - 21. Global warming The Pew Research Center for the...Ch. 2 - 44. Modalities A survey of athletic trainers asked...Ch. 2 - 23. Teen smokers The organization Monitoring the...Ch. 2 - 26. Handguns In an effort to reduce the number of...Ch. 2 - 25. Movies by genre and rating Here’s a table that...Ch. 2 - 26. The last picture show Here’s another table...Ch. 2 - 29. Seniors Prior to graduation, a high school...Ch. 2 - 30. Politics Students in an Intro Stats course...Ch. 2 - Prob. 29ECh. 2 - 34. Politics revisited Look again at the table of...Ch. 2 - Prob. 31ECh. 2 - 36. More politics Look once more at the table...Ch. 2 - 37. Back to school Examine the table about...Ch. 2 - 38. Parking lots A survey of autos parked in...Ch. 2 - Prob. 35ECh. 2 - 40. Twin births In 2000, the Journal of the...Ch. 2 - Prob. 37ECh. 2 - 42. Obesity and exercise The Centers for Disease...Ch. 2 - 43. Anorexia Hearing anecdotal reports that some...Ch. 2 - Prob. 40ECh. 2 - 41. Drivers’ licenses 2011 The table on the next...Ch. 2 - 46. Tattoos A study by the University of Texas...Ch. 2 - Prob. 43ECh. 2 - 50. Delivery service A company must decide which...Ch. 2 - 51. Graduate admissions A 1975 article in the...Ch. 2 - 52. Be a Simpson Can you design a Simpson’s...
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