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The table shows the number of species in the United States listed as endangered and threatened.
a. Find the probability that a randomly selected endangered species is a bird.
b. Find the probability that a randomly selected mammal is endangered.

The table shows the number of species in the United States listed as endangered and threatened a Find the probability that a randomly selected endangered specie class=

Respuesta :

Based on the table of the number of species in the United States, the probability that a randomly selected endangered species is a bird is 17.1%

The probability that a randomly selected mammal is endangered is 81.4%.

What is the probability?

The probability that when an endangered species is selected randomly, it is a bird can be found as:

= Number of endangered birds / Number of endangered species

= 80 / (70 + 80 + 318)

= 17.1%

The probability that should a randomly selected mammal be picked, the mammal is endangered is:
= Number of endangered mammals / Number of mammals

= 70 / (70 + 16)

= 81.4%

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