Working is such a giant PITA I cant wait to retire. I could probably do so now if we moved out of CA, but thats out of the question so Im probably stuck for another 7-10 years or so.
Yes you are confused. We are told to calculate the probability of pulling a second gold ball from the point that a gold ball has already been pulled, NOT to calculate the probability of pulling 2 gold balls in a row.
The experiment is done incorrectly because it factored in occurrences where the first ball picked was silver. We are told the the first ball picked is Gold, so we are free to ignore all the instances where the first ball is silver, since the questions being asked is "what is the probability of a...
50% because once you have already determined that a gold ball is present in a box, you have reset your odds. now there are only 2 possibilities left, the box with 2 golds that will have a second gold, or the box the one of each that will have a silver.
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