A sampling of children was asked if they would they prefer a lion or elephant  as their favorite animal.  The results of the survey are below:   Lion Elephant Total Boys 90 110 200 Girls 75 85 160 Total 165 195 360 If one child who was in the survey is selected at random, find the probability that: A randomly selected child is a Boy A randomly selected Girl prefers Elephants. A randomly selected child that prefers Lions is a Boy A randomly selected child prefers Elephants?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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 A sampling of children was asked if they would they prefer a lion or elephant  as their favorite animal.  The results of the survey are below:

 

Lion

Elephant

Total

Boys

90

110

200

Girls

75

85

160

Total

165

195

360

If one child who was in the survey is selected at random, find the probability that:

  1. A randomly selected child is a Boy
  2. A randomly selected Girl prefers Elephants.
  3. A randomly selected child that prefers Lions is a Boy
  4. A randomly selected child prefers Elephants?
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