The expected number of outcomes is calculated by multiplying the probability of an event by the number of trials. Look at this guide on experimental probability and relative frequency for further ...

Kohlberg, Elon, and Philip J. Reny. "Independence on Relative Probability Spaces and Consistent Assessments in Game Trees." Journal of Economic Theory 75, no. 2 (August 1997): 280 – 313.

Hayes et al., 2026, doi: 10.1111/add.70211.