Question

in a fish tank, there are 24 goldfish,2 angel fish, and 5 gopppies. if a fish is selected at random, find the probability that it is the goldfish or an angel fish?

Answer 1

26/31

Answer 2

which is ~0.8, i.e picking a goppie is rare.

Answer 3

the "or" means you are adding probabilities

Answer 4

\[24/31, 2/31, 5/31\]

for golfish + angel fish (26/31) which roughly 84%

Aliciacotts gave you the ans already.