how does the experimental probability of rolling a 3 compare with the theoretical probability of rolling a 3? the experimental probability of rolling a 3 is startfraction 1 over 30 endfraction greater than the theoretical probability of rolling a 3. the experimental probability of rolling a 3 is startfraction 1 over 30 endfraction less than the theoretical probability of rolling a 3. the experimental probability of rolling a 3 is two-thirds greater than the theoretical probability of rolling a 3. the experimental probability of rolling a 3 is two-thirds less than the theoretical probability of rolling a 3.