Came in right at the end of the how-where the contestant looked absolutely crestfallen when she turned down 20 grand and was left with 750 instead of 75 grand.
"This is a freak occurance. Something like this has only happened once in 60 shows before"
She looked way more intelligent than the average contestant and didn’t look like a gambler…
Something to do with the red and blue amounts being in groups of four or five in the unopened boxes.  For example, working from left to right along the contestents, she seemed to think it was very unlikely for the amounts to be red, blue, red, blue etc.
She had done this with cards about 60 times and as far as she was concerned had worked out an unbeatable system.