As suburban gardeners know, deer will eat almost anything green. In a study of pine seedlings at an environmental center in Ohio, researchers noted how deer damage varied with how much of the seedling was covered by thorny undergrowth.   Deer Damage Thorny cover Yes No None 60 151 <1/3 76 158 1/3 to 2/3 44 177 >2/3 29 176 Data provided by Patricia Heithaus and the Department of Biology at Kenyon College.   © Macmillan Learning What is the probability that a randomly selected seedling was damaged by deer? Give your answer to four decimal places. probability:

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
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As suburban gardeners know, deer will eat almost anything green. In a study of pine seedlings at an environmental center in Ohio, researchers noted how deer damage varied with how much of the seedling was covered by thorny undergrowth.

  Deer Damage
Thorny cover Yes No
None 60 151
<1/3 76 158
1/3 to 2/3 44 177
>2/3 29 176
Data provided by Patricia Heithaus and the Department of Biology at Kenyon College.
 
© Macmillan Learning

What is the probability that a randomly selected seedling was damaged by deer? Give your answer to four decimal places.

probability:
 
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What are the conditional probabilities that a randomly selected seedling was damaged, given each level of cover? (?=a seedling was damaged by a deer.)

?(?∣cover<13)⁡
 
 
?(?∣cover 13 to 23)
 
 
?(?∣cover>23)
 
 
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Follow-up Question

What is the probability that a randomly selected seedling was damaged by deer? .

probability:
 
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