SOLUTION: The table shows the numbers of species in the united states listed as endangered or threatened as of sept, 2004. find (A) probability that a listed animal is a bird and (B) the pro

Algebra ->  Probability-and-statistics -> SOLUTION: The table shows the numbers of species in the united states listed as endangered or threatened as of sept, 2004. find (A) probability that a listed animal is a bird and (B) the pro      Log On


   

Question 435658: The table shows the numbers of species in the united states listed as endangered or threatened as of sept, 2004. find (A) probability that a listed animal is a bird and (B) the probability that an endangered animal is a bird.
endangered threathened

Mammal 69 9
Birds 77 14
Reptile 14 22
amphibians 11 10
other 219 74
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

If I am understanding Your question properly:

Mammal     69 9

Birds      77 14

Reptile    14 22

amphibians 11 10

other     219 74

Total     390 129

 

 P(listed is a bird) = 77/390

 P(endangered animal is a bird) = 14/129