• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint

How to Score

The correct answers to this quiz are as follows: (1) 39 years; (2) 4,187 miles; (3) 13 countries as of 2003; (4) 39 books; (5) 2,160 miles; (6) 390,000 pounds; (7) 1756; (8) 645 days; (9) 5,959 miles; (10) 36,198 feet.

If you successfully met the challenge—that is, achieved 90 percent confidence—you should have 10 percent misses. That converts to getting nine of the above estimates correct.


PREVIEW

                                                                          

Not a subscriber?

Start A Free Trial


  
  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint