The table relates the weights and heights of a group of individuals participating in an observational study.    Tall Medium Short Totals Obese 18 28 14   Normal 20 51 28   Underweight 12 25 9   Totals         Find the probability a randomly chosen individual from this group is Tall or Underweight.  Find the probability that a randomly chosen individual from this group is Normal given that the individual is Medium.

MATLAB: An Introduction with Applications
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  1. The table relates the weights and heights of a group of individuals participating in an observational study. 
 

Tall

Medium

Short

Totals

Obese

18

28

14

 

Normal

20

51

28

 

Underweight

12

25

9

 

Totals

 

 

 

 

  1. Find the probability a randomly chosen individual from this group is Tall or Underweight. 
  2. Find the probability that a randomly chosen individual from this group is Normal given that the individual is Medium. 
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