A fish tank contains 14 goldfish 26 guppies. If you randomly select 2 fish what is the probility that they both are gold fish?

1 answer:

8 0

Probability=(number of favorable outcomes)/(number of total outcomes)
A=select the first gold fish.
P(A)=14/40
B=select the second gold fish
P(B)=13/39

A∩B=select two fish gold

P(A∩B)=P(A)*P(B)=(14/40)*(13/39)=182/1560=91/780

Answer: C. 91/780

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