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Real World Graduation, Volume 2: The Answers

17 Nov 19

Here is Volume 2 of “Real World Graduation: The Entrance Exam for Adulthood”, containing the answers to the questions in Volume 1.



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Real World Graduation, Volume 1: The Questions

17 Nov 19

Here is the complete volume 1 of the new book, “Real World Graduation: The Entrance Exam for Adulthood”.   The answers are contained in Volume 2, to be posted next.




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Real World Graduation, Question 98: Johnson and Bush

RealWorldGraduation_Question_98_Johnson_Bush   <– PDF

What are the main differences between Democratic President Lyndon B. Johnson (36) and Republican President George W. Bush (43)?

a) Bush got the nation involved in foreign war in Iraq which some claim was justified on false pretenses, whereas Johnson responded properly to the attacks made by the North Vietnamese in the Tonkin Gulf Incident.

b) Johnson helped poor and middle class people by encouraging Congress to pass Medicare, while Bush cut taxes for the rich.

c) Johnson became President by defeating Goldwater in a landslide in 1964; whereas Bush defeated Gore by a very narrow margin, which required an extensive recount in Florida and ultimately a decision by the Supreme Court.

d) Bush was born and raised in Texas; in fact he served as Governor of Texas before being elected President. But, Johnson spent nearly his entire life in Washington, DC, although he was born and raised in Texas.

e) All of the above.

(The answer is on p. 2 of the PDF.)

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Real World Graduation, Question 90: Traffic Tickets

RealWorldGraduation_Question_90_Traffic_Tickets    <– PDF

A certain district lies along 25 miles of Highway U. S. 193, where the speed limit is 55 MPH throughout.  The police force in this district only issues speeding tickets based on radar readings, and the department regularly calibrates its equipment to make sure the readings are accurate.  It is also department policy to issue tickets only if the driver is more than 7 MPH over the speed limit (i.e., is considered speeding only if going more than 62 MPH).  Over the long run, the probability of getting a speeding ticket in this locality is 0.2 (meaning that over a long period of observations, 20% of people who are going faster than 62 MPH get tickets).

Consider the following situation. It is a Tuesday morning, after the rush hour.  The weather is clear and traffic is light in this locality on Hwy U. S. 193.  The police officers on duty at this time checking for speeders are 30% black male, 40% white male, 20% black female, and 10% white female, which is approximately the racial makeup of the force at most times.  A black woman in a foreign sports car was going 73 MPH in the 55 MPH zone.  What is the likelihood that she will get a speeding ticket?

a) 50%, because half the officers on duty are white

b) 100%, because she is driving a foreign car

c) Greater than 50%, because more than half the officers on duty are men

d) Either zero or 100%, depending on the race of the officer who sees her first

e) This question is illogical because everyone knows that black women never exceed the speed limit

(The answer is on p. 2 of the PDF.)

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