I believe that was part of the mistake, answering whether or not the numbers were prime, when the original question, last repeated several minutes earlier, was whether or not to accept a deal.
Except it’s not the same trick. What you describe relies on the mark getting into the rhythm of replying “yes” to every question; the actual example described has the mark checking each number, but making a mistake eventually, because the odds they will make a mistake is not zero.
Not quite, as SquallMage had correctly answered that 27, 33, 39 and 49 were not prime.
I believe that was part of the mistake, answering whether or not the numbers were prime, when the original question, last repeated several minutes earlier, was whether or not to accept a deal.
The point is, it’s fundamentally the same trick, and is just that: a trick.
Except it’s not the same trick. What you describe relies on the mark getting into the rhythm of replying “yes” to every question; the actual example described has the mark checking each number, but making a mistake eventually, because the odds they will make a mistake is not zero.