Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

Login

Username

Password

Not registered yet?

#1 2012-12-20 04:21:46

jacks
Full Member

Offline

machine probability

There are 4  machine and it is known that exactly 2 of them are faulty.they are tested one by one in a random order

till both the faulty machine are identified.. Then the probability that only 2 tested are needed, is

plz explain using tree Diagram.

Thanks

#2 2012-12-20 05:16:03

bob bundy
Moderator

Offline

Re: machine probability

hi

I have made the complete tree but left out some probabilities so you can practice completing the answers.

Bob


Uploaded Images
View Image: jacks tree3.gif      


You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

Board footer

Powered by FluxBB