A sample 25 people provided the following information.
12 people shop in store A.
13 people shop in store B.
Three people are selected randomly. What is the probability that the first two shop in store A and the third one shop in store B.

Question

A sample 25 people provided the following information.
12 people shop in store A.
13 people shop in store B.
Three people are selected randomly. What is the probability that the first two shop in store A and the third one shop in store B.

souvik · Answer

12C2*13C1/25C3

anonymous · Answer

ok is that all I would need to do or is there more. Thanks

souvik · Answer

am i right?

anonymous · Answer

that is what I got but I didn't know if it's right or not that is why I came here for a little help.

souvik · Answer

i think its right..

anonymous · Answer

thanks for your help because I was having trouble trying to figure it out