SOLUTION: Textbook authors and publishers work very hard to minimize the number of errors in a text. However, some errors are unavoidable. Mr. J. A. Carmen, statistics editor, reports that

Algebra ->  Probability-and-statistics -> SOLUTION: Textbook authors and publishers work very hard to minimize the number of errors in a text. However, some errors are unavoidable. Mr. J. A. Carmen, statistics editor, reports that       Log On


   



Question 1150889: Textbook authors and publishers work very hard to minimize the number of errors in a text.
However, some errors are unavoidable. Mr. J. A. Carmen, statistics editor, reports that the
mean number of errors per chapter is O.B. What is the probability that there are less than 2
errors in a particular chapter?

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

Can you explain me  PLEASE  what is  "O.B."  in this post ?

What does it mean ?