We can talk about single-shot events, so long as we are allowed to include multi-shot elements. For example, Sleeping Beauty includes a coin. We can insist that Sleeping Beauty is only run once, but when we say the coin has 50⁄50 chance of being heads we are talking about the long-run frequency.
We can talk about single-shot events, so long as we are allowed to include multi-shot elements. For example, Sleeping Beauty includes a coin. We can insist that Sleeping Beauty is only run once, but when we say the coin has 50⁄50 chance of being heads we are talking about the long-run frequency.