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3-2 Problem Set: Probability

3-2 Problem Set: Probability

Please do worksheet attached

3-2 Problem Set Helps

Remember all steps and the calculations must be shown (or StatCrunch output), or full points will not be given for the problem.  Just writing down the answer is not sufficient. You can type them into a word document,  write them out by hand, scan them, or take a picture of the page and attach it to Brightspace.  If you turn in handwriting, please make it legible.

 #1 Theory/explanation type question.

#2 pages 107-108 and pages 575-576

#3 page 123, bottom example

#4 defined on page 117, property 3

#5 (after you try this on your own, head to the general discussion board for help)

There isn’t an identical problem to this in the book; however, the ‘rules’ are on pages 120-126.

  1. P(boy) = 2,081,287/4,065,014 = 0.512, so P(both boys) = P(boy)*P(Boy) =
  2. P(at least 1 boy) = P(both boys) + P(boy, girl) + P(girl, boy) = ()() + ()() + ()() =

 #6 Your book calls mutually exclusive events ‘disjoint events’.  See page 110 and then Rule 5 for independent events, starting on page 131

 TextbookBasic Biostatistics: Statistics for Public Health Practice, Chapter 5, Chapter 6, and Chapter 7 

Textbook link:

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