Given Information:
Number of endangered mammal species = 59
Number of endangered bird species = 75
Number of endangered fish species = 68
Required Information:
Probability of either a mammal or a fish = ?
Answer:
P(mammal or fish) = 127/202 = 0.6287 = 62.87%
Step-by-step explanation:
We want to randomly select one animal and find out the probability of either a mammal or a fish.
The total number of endangered species of animals is given by
Total animals = mammal species + bird species + fish species
Total animals = 59 + 75 + 68 = 202
The probability of selecting a endangered mammal is
P(mammal) = no. of endangered mammal/total no. of endangered animals
P(mammal) = 59/202
The probability of selecting a endangered fish is
P(fish) = no. of endangered fish/total no. of endangered animals
P(fish) = 68/202
Finally, the probability of selecting either a mammal or a fish is
P(mammal or fish) = 59/202 + 68/202
P(mammal or fish) = 127/202
P(mammal or fish) = 0.6287
P(mammal or fish) = 62.87%
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