1 in a million is the probability of correctly predicting a unique sequence of 20 coin flips, in the exact order. (E.g. first 10 flips heads, 2nd 10 flips tails

1 in a million is the probability of correctly predicting a unique sequence of 20 coin flips, in the exact order. (E.g. first 10 flips heads, 2nd 10 flips tails, in that order - 1 in a million)